grenaa-ib.dk
Last scanned: 2026-08-27 15:46:44  ·  358ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
NameserverIP addressesPTRASN / ISP
ns3.supportcenter.dk 87.54.32.150 — AS3292 TDC Holding A/S
ns4.supportcenter.dk 2.106.7.200 ns4.supportcenter.dk AS3292 TDC Holding A/S
🌍 A Records1 records   21ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.54.32.75 3600s fpkmatnov2005.supportcenter.dk
inventory.supportcenter.dk
mit2.supportcenter.dk
viacfutv.dk
www.mit.supportcenter.dk
www.supportcenter.dk
www.viacfutv.dk		 AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark —
📧 MX Records1 records   18ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   82ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (grenaa-ib.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.grenaa-ib.dk)
p=reject v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.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)
🔐 DNSSEC89ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial858
Primary NS (MNAME)ns3.supportcenter.dk
Responsible (RNAME)hostmaster@supportcenter.dk
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
35ms
A
21ms
MX
18ms
AAAA
26ms
TXT
82ms
CAA
19ms
HTTPS
30ms
TLSA
30ms
SOA
0ms
MTA-STS
36ms
DNSSEC
89ms
SRV
38ms
Total
358ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:46:44 358ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 14:25:46 961ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-23 03:34:43 544ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 03:10:09 521ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 23:45:26 2663ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 22:08:33 495ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 05:29:45 2437ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 14:18:11 555ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 15:10:14 1092ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-08 11:11:11 3043ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-29 01:42:16 497ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 21:12:04 8773ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 19:25:03 8653ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-21 10:56:37 16513ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 20:26:07 4975ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 13:23:57 462ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 22:29:59 8542ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-09 03:38:26 781ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-07 16:04:06 599ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 17:56:39 404ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 11:34:31 464ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 10:04:37 506ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 08:19:00 891ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 20:17:25 871ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:31:03 692ms 2 NS 1 A 0 MX 🔒 Secure View
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