cerum.dk
Last scanned: 2026-08-22 06:14:32  ·  6014ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   299ms
NameserverIP addressesPTRASN / ISP
ns1.hyp.net 151.249.124.1
2a01:5b40:ac1::1		 ns1.hyp.net
ns1.hyp.net		 AS12996 Domeneshop AS
AS12996 Domeneshop AS
ns2.hyp.net 192.174.68.10
2001:67c:1bc::10		 ns2.hyp.net
ns2.hyp.net		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns3.hyp.net 151.249.126.3
2a01:5b40:ac3::1		 ns3.hyp.net
ns3.hyp.net		 AS208045 Domeneshop AS
AS208045 Domeneshop AS
🌍 A Records1 records   294ms
IPTTLPTRASNISP / OrgCIDRCountryCity
194.63.248.52 3600s bristol.domeneshop.no AS12996 Domeneshop AS 194.63.248.0/21 🇳🇴 Norway —
📧 MX Records1 records   259ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.cerum.no 92.62.39.56 mail.cerum.no AS44381 ITsjefen AS
🔷 AAAA Records (IPv6)1 records   325ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:5b40:0:248::52 3600s — AS12996 Domeneshop AS 2a01:5b40:0:0:0:0:0:0/37 🇳🇴 Norway —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   726ms
TXT Record
v=spf1 include:_spf.cerum.no -all
✉️ SPF
PolicyRecord (cerum.dk)
-all (hard fail) v=spf1 include:_spf.cerum.no -all
📨 DMARC
PolicyRecord (_dmarc.cerum.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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)
🔐 DNSSEC546ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial1787302379
Primary NS (MNAME)ns1.hyp.net
Responsible (RNAME)hostmaster@domeneshop.no
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
299ms
A
294ms
MX
259ms
AAAA
325ms
TXT
726ms
CAA
263ms
HTTPS
268ms
TLSA
620ms
SOA
0ms
MTA-STS
354ms
DNSSEC
546ms
SRV
279ms
Total
6014ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-22 06:14:32 6014ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-29 21:42:59 1511ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-04 21:56:17 1290ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-01 23:58:54 1367ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 20:11:03 622ms 3 NS 1 A 1 MX 🔒 Secure View
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