mailcheckertr.com - robtex.com
mailcheckertr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:2c67🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:c6b8🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.44.103Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.198.184🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alex.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b64🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c164🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2164🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 108.162.193.100🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 172.64.33.100🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 173.245.59.100🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| NS | colette.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:261c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c21c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:221c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 108.162.194.28🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 162.159.38.28Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 172.64.34.28🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| MX | verify-01.mailcheckertr.com ⭐ | ||||||
| A | 5.75.217.153🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC | ||||||
| PTR | verify-01.mailcheckertr.com | ||||||
| TXT | v=spf1 ip4:5.75.217.153 ip4:49.12.113.3 ip4:49.12.112.135 ip4:49.12.113.160 i... | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.44.103, 172.67.198.184 | ||||||
| IPv6 hints | 2606:4700:3030::6815:2c67, 2606:4700:3032::ac43:c6b8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com | ||||||
| SOA | alex.ns.cloudflare.comdns@cloudflare.com serial=2400565170 | ||||||
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=1778393556 | ||||||
Subdomains
verify-01.mailcheckertr.com |
verify-02.mailcheckertr.com |
Same first word
mailcheckertr.com |
DNS History
7 records (7 active, 0 former)
●NSalex.ns.cloudflare.com2026-04-17 → 2026-05-10 · 2 obs
● 2026-05-10 06:27:02
●NScolette.ns.cloudflare.com2026-04-17 → 2026-05-10 · 2 obs
● 2026-05-10 06:27:02
●MXverify-01.mailcheckertr.com2026-04-17 → 2026-05-10 · 2 obs
● 2026-05-10 06:27:02
●A104.21.44.1032026-04-17 → 2026-05-10 · 2 obs
● 2026-05-10 06:27:02
●A172.67.198.1842026-04-17 → 2026-05-10 · 2 obs
● 2026-05-10 06:27:02
●A2606:4700:3030::6815:2c672026-04-17 → 2026-05-10 · 2 obs
● 2026-05-10 06:27:02
●A2606:4700:3032::ac43:c6b82026-04-17 → 2026-05-10 · 2 obs
● 2026-05-10 06:27:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mailcheckertr.com | alex.ns.cloudflare.com, colette.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.100
NS records: alex.ns.cloudflare.com, colette.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailcheckertr.com (unsigned zone)
⏱️ Timing
Total: 154ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.44.103, 172.67.198.184 |
| AAAA | 2 | 2606:4700:3032::ac43:c6b8, 2606:4700:3030::6815:2c67 |
| NS | 2 | alex.ns.cloudflare.com, colette.ns.cloudflare.com |
| MX | 1 | verify-01.mailcheckertr.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:5.75.217.153 ip4:49.12.113.3 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alex.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (alex.ns.cloudflare.com, alex.ns.cloudflare.com, alex.ns.cloudflare.com...)
Analysis
Hierarchy
mailcheckertr.com is a parent of verify-01.mailcheckertr.com and verify-02.mailcheckertr.com.
IP Addresses
mailcheckertr.com points to four IP numbers: 2606:4700:3030::6815:2c67, 2606:4700:3032::ac43:c6b8, 104.21.44.103 and 172.67.198.184.
For instance, other host names mboa.dev, web3.net, justopenedlondon.com, theshield.cc and librarie-carti-diverse.ro share IP numbers with mailcheckertr.com.
Name Servers
mailcheckertr.com is delegated to two name servers: alex.ns.cloudflare.com and colette.ns.cloudflare.com.
mailcheckertr.com uses the same name server setup as other domains such as flnd-mylphone.com, jiksso-admin.pages.dev, kasatakip.com, supports-icloud-maps.info and eucharisticjesus.net.
mailcheckertr.com shares name servers with other domains at least partially, for example seagullclassics.com, skevik.net, scoopfix.com, 4pointsmgt.com and alainphilippe.com.
These name servers are commonly used with dee.ns.cloudflare.com.
Host names with six IP numbers: host name alex.ns.cloudflare.com points to: 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100; host name colette.ns.cloudflare.com points to: 2606:4700:50::a29f:261c, 2803:f800:50::6ca2:c21c, 2a06:98c1:50::ac40:221c, 108.162.194.28, 162.159.38.28 and 172.64.34.28.
Mail Servers
mailcheckertr.com is handled by a single mail server, verify-01.mailcheckertr.com.
verify-01.mailcheckertr.com points to a single IP: 5.75.217.153.