591cert.co - robtex.com
591cert.co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| PTR | ip-76-76-21-21.defastlink.net | ||||||
| NS | erin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c071🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2071🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 108.162.192.113🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 172.64.32.113🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 173.245.58.113🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| NS | ray.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b8a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c18a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:218a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 108.162.193.138🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 172.64.33.138🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 173.245.59.138🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| MX | mail.591cert.co ⭐ | ||||||
| A | 31.220.101.205🇩🇪 FYBE31.220.96.0/21 | ||||||
| PTR | em.591lab.com | ||||||
| TXT | amazonses:0eX3HE6Z0k5RH9bHgqnIsyjMJFjppzXaQHLzyFr6mfE= | ||||||
| TXT | google-site-verification=FqwByShyJOfRcP95LWinoeUI7DQD6MGrY2_mg0-eUQA | ||||||
| TXT | v=spf1 include:amazonses.com include:em.591lab.com ~all | ||||||
| SOA | erin.ns.cloudflare.comdns@cloudflare.com serial=2396552797 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co 🔒 | ||||||
| NS | b.registrydns.co 🔒 | ||||||
| NS | c.registrydns.co 🔒 | ||||||
| NS | d.registrydns.co 🔒 | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759588016 | ||||||
DNS History
4 records (4 active, 0 former)
●NSerin.ns.cloudflare.com2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 22:20:16
●NSray.ns.cloudflare.com2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 22:20:16
●MXmail.591cert.co2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 22:20:16
●A76.76.21.212026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 22:20:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, a.registrydns.co, d.registrydns.co | - |
| 591cert.co | ray.ns.cloudflare.com, erin.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 173.245.58.113
NS records: ray.ns.cloudflare.com, erin.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 243ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | erin.ns.cloudflare.com, ray.ns.cloudflare.com |
| MX | 1 | mail.591cert.co (pri: 10) |
| TXT | 3 | amazonses:0eX3HE6Z0k5RH9bHgqnIsyjMJFjppz, google-site-verification=FqwByShyJOfRcP9... |
| SOA | 1 | erin.ns.cloudflare.com dns.cloudflare.co |
AI analysis
591cert.co resolves to one IP number: 76.76.21.21.
other host names including leadlab.dk, nikko.cc, rozenama.com, dystern.com and phoenixironchef.com share IP numbers with 591cert.co.
591cert.co is delegated to two name servers erin.ns.cloudflare.com and ray.ns.cloudflare.com.
591cert.co shares the same name server setup as other domains, for instance abcd.holdings, rushplay.ru, cumonprintedpics.net, alice2k.hosting and fetiche.be.
591cert.co at least partially shares name servers with other domains, for instance aktusglobal.com, eskilled.io, gminastezyca.eu, redjake.com and gx1.me.
These name servers are commonly used alongside lina.ns.cloudflare.com and ines.ns.cloudflare.com.
Host names with six IP numbers:
Host name erin.ns.cloudflare.com points to: 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113.
Host name ray.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8a, 2803:f800:50::6ca2:c18a, 2a06:98c1:50::ac40:218a, 108.162.193.138, 172.64.33.138 and 173.245.59.138.
591cert.co is handled by a single mail server, mail.591cert.co.
mail.591cert.co resolves to IP 31.220.101.205.