mail.dextercd.com - robtex.com

mail.dextercd.com

DNSSEC⚠️ Not signed
A2a01:4f8:1c1b:fdcf::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.dextercd.com
A138.199.212.107🇩🇪 Hetzner138.199.128.0/17 HETZNER-DC
TXTv=spf1 ip4:138.199.212.107 ip6:2a01:4f8:1c1b:fdcf::1 -all

dextercd.com

DNSSEC⚠️ Not signed
A2a01:4f8:1c1b:fdcf::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A138.199.212.107🇩🇪 Hetzner138.199.128.0/17 HETZNER-DC
NShydrogen.ns.hetzner.com ⭐
NShelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
MXmail.dextercd.com ⭐
TXTv=spf1 ip4:138.199.212.107 ip6:2a01:4f8:1c1b:fdcf::1 -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-04-12 #1
🔒 HSTS Preload (+subdomains)

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.f.c.d.f.b.1.c.1.8.f.4.0.1.0.a.2.ip6.arpa
107.212.199.138.in-addr.arpa

MX for

dextercd.com

Same first word

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DNS History

2 records (2 active, 0 former)

A138.199.212.1072a01:4f8:1c1b:fdcf::1
●A138.199.212.1072026-04-14 → 2026-04-17 · 2 obs
● 2026-04-14 22:11:28
● 2026-04-17 04:34:46
●A2a01:4f8:1c1b:fdcf::12026-04-14 → 2026-04-17 · 2 obs
● 2026-04-14 22:11:28
● 2026-04-17 04:34:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
dextercd.comhelium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com2 records

✅ Authoritative Response

Server:88.198.229.192

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dextercd.com (unsigned zone)

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

TypeCountSample Data
A1138.199.212.107
AAAA12a01:4f8:1c1b:fdcf::1
TXT1v=spf1 ip4:138.199.212.107 ip6:2a01:4f8:

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)

Analysis

Mail Server Role

mail.dextercd.com is the mail server for dextercd.com.

IP Addresses

mail.dextercd.com resolves to two IPs: 2a01:4f8:1c1b:fdcf::1 and 138.199.212.107.

Other host names, for instance dextercd.com, share IP numbers with mail.dextercd.com.