ceriksen.dk

📜 Historical scan 2026-06-16 20:10:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ceriksen.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, novalee.ns.cloudflare.com). It was registered on 27 July 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.208 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ceriksen-dk.mail.protection.outlook.com. 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#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	—	—	—
novalee.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.208	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.94	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	ceriksen-dk.mail.protection.outlook.com	52.101.68.15 52.101.68.39 52.101.68.8 52.101.73.153	mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:58d0	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:995e	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.208,172.67.153.94 ech=AEX+DQBBFgAgACCwNFLgRRTjCPoQPifC2po/IvrwYwTTzGDqxOmWREutYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:58d0,2606:4700:3037::ac43:995e

📝 TXT Records#

2 records 164ms

TXT Record
MS=ms41201700
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (ceriksen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.ceriksen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:545415b61d2748d19385fac02e2fdda2@dmarc-reports.cloudflare.net;

📬 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 2026-10-23 12:38:13

www	104.21.88.208 172.67.153.94 2606:4700:3032::ac43:995e 2606:4700:3036::6815:58d0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ceriksen.dk: 104.21.88.208 172.67.153.94 2606:4700:3032::ac43:995e 2606:4700:3036::6815:58d0 (AS13335) www.ceriksen.dk: 104.21.88.208 172.67.153.94 2606:4700:3032::ac43:995e 2606:4700:3036::6815:58d0 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-ceriksen-dk._domainkey.eriksendk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-ceriksen-dk._domainkey.eriksendk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2406565359
Primary NS (MNAME)	jay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 12:52:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-07-27
Expires	2027-07-31 (280d)

🔗 Same registrant#

9 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
anonymt.dk	Punktum dk A/S (direct)
c-eriksen.dk	Punktum dk A/S (direct)
ceit.dk	Punktum dk A/S (direct)
cmer.dk	Punktum dk A/S (direct)
fifaleague.dk	Punktum dk A/S (direct)
medance.dk	Punktum dk A/S (direct)
murl.dk	Punktum dk A/S (direct)
stenstrupbageri.dk	Punktum dk A/S (direct)
tb32.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

33ms

40ms

AAAA

39ms

TXT

164ms

CAA

32ms

HTTPS

40ms

TLSA

159ms

SOA

37ms

MTA-STS

59ms

DNSSEC

124ms

SRV

0ms

Total

707ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 12:38:13	676ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 08:18:28	3418ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-08 07:59:47	1065ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 16:29:04	2717ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 06:16:32	1007ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-04 00:49:31	952ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 19:31:56	862ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-21 22:15:43	4560ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-30 20:55:56	1557ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-23 11:14:14	2174ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-04 22:42:21	9472ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 00:34:58	3199ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 20:10:09 shown	707ms	2 NS 2 A 1 MX	🔒 Secure