certsfire.com - robtex.com
certsfire.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:ba37🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:58a5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.88.165Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.186.55🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | joan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3aad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20ad🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 108.162.192.173🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 172.64.32.173🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 173.245.58.173🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| NS | langston.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cfc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | langston.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3fc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | langston.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23fc🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | langston.ns.cloudflare.com | ||||||
| A | 108.162.195.252🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | langston.ns.cloudflare.com | ||||||
| A | 162.159.44.252Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | langston.ns.cloudflare.com | ||||||
| A | 172.64.35.252🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | langston.ns.cloudflare.com | ||||||
| MX | _dc-mx.71a1e48e9c0c.certsfire.com ⭐ | ||||||
| A | 51.68.192.43🇫🇷 OVH51.68.0.0/16 | ||||||
| PTR | ip43.ip-51-68-192.eu | ||||||
| TXT | v=spf1 ip4:78.110.165.114 +a +mx +ip4:51.68.192.43 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.88.165, 172.67.186.55 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:ba37, 2606:4700:3036::6815:58a5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com | ||||||
| SOA | joan.ns.cloudflare.comdns@cloudflare.com serial=2399834905 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778364101 | ||||||
Same first word
certsfire.com |
Similar names
ctferries.com |
firecrest.co.nz |
firecrest.ru |
firecrest.com |
firecrest.de |
firecerts.com |
firecrest.org.uk |
frisertec.com |
DNS History
7 records (7 active, 0 former)
●NSjoan.ns.cloudflare.com2026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 22:31:20
●NSlangston.ns.cloudflare.com2026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 22:31:20
●MX_dc-mx.71a1e48e9c0c.certsfire.com2026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 22:31:20
●A104.21.88.1652026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 22:31:20
●A172.67.186.552026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 22:31:20
●A2606:4700:3031::ac43:ba372026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 22:31:20
●A2606:4700:3036::6815:58a52026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 22:31:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net... | - |
| certsfire.com | joan.ns.cloudflare.com, langston.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.173
NS records: joan.ns.cloudflare.com, langston.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certsfire.com (unsigned zone)
⏱️ Timing
Total: 148ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.186.55, 104.21.88.165 |
| AAAA | 2 | 2606:4700:3031::ac43:ba37, 2606:4700:3036::6815:58a5 |
| NS | 2 | joan.ns.cloudflare.com, langston.ns.cloudflare.com |
| MX | 1 | _dc-mx.71a1e48e9c0c.certsfire.com (pri: |
| TXT | 1 | v=spf1 ip4:78.110.165.114 +a +mx +ip4:51 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | joan.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (joan.ns.cloudflare.com, joan.ns.cloudflare.com, joan.ns.cloudflare.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by certsfire.com: 2606:4700:3031::ac43:ba37, 2606:4700:3036::6815:58a5, 104.21.88.165 and 172.67.186.55.
other host names including propacificbuilders.com, www.renault.is, ruesdasie.com, expensifynext.com and sippetfootball.sbs share IP numbers with certsfire.com.
Name Servers
certsfire.com is delegated to two name servers joan.ns.cloudflare.com and langston.ns.cloudflare.com.
certsfire.com shares the same name server setup as other domains, for instance mundo-ufo.com, huasn.life, freewordpresshosting.net, ca-ctap.org and hickokfamilygenealogy.com.
certsfire.com at least partially shares name servers with other domains, for instance 3mga.at, hegreart(0x6e756465)s.com, mswestfalia.com, cofresibeach.com and discoverysummer.co.uk.
these name servers are often used together with khalid.ns.cloudflare.com, kai.ns.cloudflare.com, oaklyn.ns.cloudflare.com and alexandra.ns.cloudflare.com.
Host names with six IP numbers:
Host name joan.ns.cloudflare.com points to: 2606:4700:50::adf5:3aad, 2803:f800:50::6ca2:c0ad, 2a06:98c1:50::ac40:20ad, 108.162.192.173, 172.64.32.173 and 173.245.58.173.
Host name langston.ns.cloudflare.com points to: 2606:4700:58::a29f:2cfc, 2803:f800:50::6ca2:c3fc, 2a06:98c1:50::ac40:23fc, 108.162.195.252, 162.159.44.252 and 172.64.35.252.
Mail Servers
certsfire.com is handled by a single mail server, _dc-mx.71a1e48e9c0c.certsfire.com.
_dc-mx.71a1e48e9c0c.certsfire.com resolves to IP 51.68.192.43.