cerum.dk

📜 Historical scan 2026-09-19 12:54:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cerum.dk is a .dk domain served by 3 nameservers (ns1.hyp.net, ns2.hyp.net, ns3.hyp.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.63.248.52 is hosted by Domeneshop AS (AS12996) in Norway. Mail is handled by mail.cerum.no. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 107ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 132ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.63.248.52	3600s	bristol.domeneshop.no	AS12996	Domeneshop AS	194.63.248.0/21	🇳🇴 Norway	—

📧 MX Records#

1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.cerum.no	92.62.39.56	mail.cerum.no	AS44381 ITsjefen AS

🔷 AAAA Records (IPv6)#

1 records 127ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records#

1 records 634ms

TXT Record
v=spf1 include:_spf.cerum.no -all

✉️ SPF#

Policy	Record (cerum.dk)
-all (hard fail)	v=spf1 include:_spf.cerum.no -all

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 16:46:11

www	194.63.248.52 2a01:5b40:0:248::52 (AS12996) (address records, no CNAME)
www vs bare domain	Same network cerum.dk: 194.63.248.52 2a01:5b40:0:248::52 (AS12996) www.cerum.dk: 194.63.248.52 2a01:5b40:0:248::52 (AS12996)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

192ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	1789379515
Primary NS (MNAME)	ns1.hyp.net
Responsible (RNAME)	hostmaster@domeneshop.no
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

107ms

132ms

109ms

AAAA

127ms

TXT

634ms

CAA

101ms

HTTPS

119ms

TLSA

251ms

SOA

0ms

MTA-STS

100ms

DNSSEC

192ms

SRV

136ms

Total

1846ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 16:46:11	681ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:09:32	1042ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-19 12:54:26 shown	1846ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-22 06:14:32	6014ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-29 21:42:59	1511ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-04 21:56:17	1290ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:58:54	1367ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:11:03	622ms	3 NS 1 A 1 MX	🔒 Secure