mailcore.dk
Last scanned: 2026-08-29 00:22:41  ·  5323ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   46ms
NameserverIP addressesPTRASN / ISP
helium.ns.hetzner.de 193.47.99.5
2001:67c:192c::add:5		 helium.ns.hetzner.de
helium.ns.hetzner.de		 AS12337 noris network AG
AS12337 noris network AG
hydrogen.ns.hetzner.com 213.133.100.98
2a01:4f8:0:1::add:1098		 hydrogen.ns.hetzner.com
hydrogen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com 2a01:4f8:0:1::add:2992
88.198.229.192		 oxygen.ns.hetzner.com
oxygen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.31.252.23 300s smtp.mailpro.dk AS204151 EWII Bredbaand A/S 78.31.252.0/22 🇩🇰 Denmark Ans
📧 MX Records1 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s smtp.mailpro.dk 78.31.252.23 smtp.mailpro.dk AS204151 EWII Bredbaand A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoversmtp.mailpro.dk.mailcore.dk → 78.31.252.23
🔶 Autoconfigsmtp.mailpro.dk.mailcore.dk → 78.31.252.23
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   299ms
TXT Record
v=spf1 a mx ip4:78.31.252.23 -all
✉️ SPF
PolicyRecord (mailcore.dk)
-all (hard fail) v=spf1 a mx ip4:78.31.252.23 -all
📨 DMARC
PolicyRecord (_dmarc.mailcore.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:postmaster@mailpro.dk
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC120ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082803
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh86400s
Retry10800s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
45ms
MX
46ms
AAAA
44ms
TXT
299ms
CAA
44ms
HTTPS
42ms
TLSA
470ms
SOA
0ms
MTA-STS
78ms
DNSSEC
120ms
SRV
119ms
Total
5323ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 00:22:41 5323ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-25 11:22:27 729ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-09 02:08:52 1324ms 3 NS 1 A 1 MX ❓ Unknown View
2026-07-02 12:55:52 2602ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 08:59:49 799ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 01:05:33 957ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 17:05:29 3876ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 16:06:29 1166ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 18:19:26 1065ms 3 NS 1 A 1 MX 🔓 Insecure View
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