guu.dk
📜 Historical scan 2026-06-17 10:08:32  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.111 — webcluster2.webpod13-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records4 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 — mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 — mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 — mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)1 records   31ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10b:807e:62d6:d8c2:9a50 — — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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 / DANE3 records   4087ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
🔐 DNSSEC146ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA28ms
FieldValue
Serial2026052201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
32ms
MX
32ms
AAAA
31ms
TXT
173ms
CAA
36ms
HTTPS
31ms
TLSA
4087ms
SOA
28ms
MTA-STS
48ms
DNSSEC
146ms
SRV
0ms
Total
6223ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 01:24:28 2428ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-22 21:42:54 8476ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-22 18:32:38 983ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-15 05:36:50 4918ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-28 20:54:48 823ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 10:08:32 6223ms 2 NS 1 A 4 MX 🔒 Secure View
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