Check-Host.cc

Domain

ifwhenhow.org

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of ifwhenhow.org

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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Hosting IPs
2
A/AAAA targets
Subdomains
4
CT + scan + body
Record Types
6
seen in DNS
Observed Certs
21
in our scans

DNS Records

A
141.193.213.10, 141.193.213.11
AAAA
MX
1 aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
candy.ns.cloudflare.com, robert.ns.cloudflare.com
TXT
1password-site-verification=DMWKDTUYW5HGTFKRV7GVUIPW7I, Account Engagement emails pass SPF automatically, but we recommend setting it up as a best practice., MS=51D956313C9333F9B0688B77AD0A5595640D2D81, MS=6F2445A5C36C981CF0E4B4B99E907AFF402F91F6, MS=ms18376088, apple-domain-verification=6AEStEK12qtCTUrp, asv=0db4a97fe371549d34cf40d959cac293, google-site-verification=1Z0aGdzdVFjGPQZDwfl6El-nVlU9a5tldwSfbf6JCmo
CNAME
CAA
0 issue "comodoca.com", 0 issue "digicert.com; cansignhttpexchanges=yes", 0 issue "letsencrypt.org", 0 issue "pki.goog; cansignhttpexchanges=yes", 0 issue "ssl.com", 0 issuewild "comodoca.com", 0 issuewild "digicert.com; cansignhttpexchanges=yes", 0 issuewild "letsencrypt.org"

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

151.244.243.175:443 href · ×3
217.179.5.245:443 href · ×3

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
TXT v=spf1 a mx ip4:50.87.232.115 ip4:69.89.31.217 include:_spf.google.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf1.formassembly.com include:_spf.e-activist.com ~all 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
MX 10 alt3.aspmx.l.google.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT sending_domain1025653=c60700c21382299d9f4464ae0310f0ef32b80d27d3f9e6bb3c5b1f66652bcfe9 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
SRV _caldav._tcp 0 0 2079 box2411.bluehost.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT google-site-verification=7bN4ieMa823v4POuZqjcTP6uBuvMC-XU8XMFst3_xv8 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT google-site-verification=1Z0aGdzdVFjGPQZDwfl6El-nVlU9a5tldwSfbf6JCmo 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issue "ssl.com" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT apple-domain-verification=6AEStEK12qtCTUrp 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT MS=6F2445A5C36C981CF0E4B4B99E907AFF402F91F6 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT MS=51D956313C9333F9B0688B77AD0A5595640D2D81 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issuewild "ssl.com" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
MX 5 alt2.aspmx.l.google.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
MX 10 alt4.aspmx.l.google.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
NS candy.ns.cloudflare.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT slack-domain-verification=Yd50OIUN2EVCCN4oP72030WRvmCpl0Lf5nj4Q5w3 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
MX 1 aspmx.l.google.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
SRV _autodiscover._tcp 0 0 443 autodiscover.bluehost.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
A 141.193.213.11 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issue "digicert.com; cansignhttpexchanges=yes" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
MX 5 alt1.aspmx.l.google.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT asv=0db4a97fe371549d34cf40d959cac293 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
SRV _carddav._tcp 0 0 2079 box2411.bluehost.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issuewild "comodoca.com" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issuewild "letsencrypt.org" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT Account Engagement emails pass SPF automatically, but we recommend setting it up as a best practice. 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
NS robert.ns.cloudflare.com 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issue "letsencrypt.org" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT MS=ms18376088 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issue "comodoca.com" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
A 141.193.213.10 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
TXT 1password-site-verification=DMWKDTUYW5HGTFKRV7GVUIPW7I 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issue "pki.goog; cansignhttpexchanges=yes" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002
CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes" 2026-06-04 13:07:38.140 2026-07-22 08:01:46.002