ceriksen.dk

Records from scan: 2026-10-09 08:18:28 · 3418ms total · last checked 2026-10-16 19:26 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 145ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
novalee.ns.cloudflare.com	108.162.194.182 162.159.38.182 172.64.34.182 2606:4700:50::a29f:26b6 2803:f800:50::6ca2:c2b6 2a06:98c1:50::ac40:22b6	novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.208	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.94	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 127ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	ceriksen-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 52.101.103.39 52.101.181.153 52.101.68.10 52.101.68.12	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

2 records 119ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:995e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:58d0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 106ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.208,172.67.153.94 ech=AEX+DQBB5QAgACBvkezoVuNwfnPTHvHb0ECno97zVV54tG0cqmryxMEjBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:995e,2606:4700:3036::6815:58d0

🔌 SRV Records#

1 records 989ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 247ms

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#

checked 2026-10-09 08:18:29

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#

183ms

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

🏷️ SOA#

97ms

Field	Value
Serial	2416933367
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 (286d)

🔗 Same registrant#

6 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
c-eriksen.dk	Punktum dk A/S (direct)
ceit.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)

📋 WHOIS#

⏱️ Lookup Timing#

145ms

96ms

127ms

AAAA

119ms

TXT

247ms

CAA

100ms

HTTPS

106ms

TLSA

1293ms

SOA

97ms

MTA-STS

142ms

DNSSEC

183ms

SRV

989ms

Total

3418ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 08:18:28 shown	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	707ms	2 NS 2 A 1 MX	🔒 Secure