centurion.dk

📜 Historical scan 2026-10-01 02:00:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

centurion.dk is a .dk domain served by 2 nameservers (johnny.ns.cloudflare.com, sima.ns.cloudflare.com). It was registered on 13 June 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.116 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by centurion-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
johnny.ns.cloudflare.com	108.162.195.186 162.159.44.186 172.64.35.186 2606:4700:58::a29f:2cba 2803:f800:50::6ca2:c3ba 2a06:98c1:50::ac40:23ba	johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sima.ns.cloudflare.com	108.162.192.222 172.64.32.222 173.245.58.222 2606:4700:50::adf5:3ade 2803:f800:50::6ca2:c0de 2a06:98c1:50::ac40:20de	sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.116	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.162.68	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	centurion-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca21::a 2a01:111:f403:ca48::a 2a01:111:f403:ca48::e 52.101.103.39 52.101.209.31 52.101.68.29 52.101.68.39	mail-db7pr03cu00601.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.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	104.21.73.116
🔶 Autoconfig	104.21.73.116

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4974	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a244	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.116,172.67.162.68 ech=AEX+DQBB7gAgACBSTn1fMEYtFZypTHaGAi4yrig7Lzrr1OYRp4SSkJblVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4974,2606:4700:3037::ac43:a244

📝 TXT Records#

2 records 196ms

TXT Record
MS=ms99009742
v=spf1 include:_spf62490.spf-protect.dk -all

✉️ SPF#

Policy	Record (centurion.dk)
-all (hard fail)	v=spf1 include:_spf62490.spf-protect.dk -all

📨 DMARC#

Policy	Record (_dmarc.centurion.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6718fc5a06b4e@dmarc-dk.centerasecurity.com;

📬 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 2026-10-14 18:03:43

www	104.21.73.116 172.67.162.68 2606:4700:3031::6815:4974 2606:4700:3037::ac43:a244 (AS13335) (address records, no CNAME)
www vs bare domain	Same network centurion.dk: 104.21.73.116 172.67.162.68 2606:4700:3031::6815:4974 2606:4700:3037::ac43:a244 (AS13335) www.centurion.dk: 104.21.73.116 172.67.162.68 2606:4700:3031::6815:4974 2606:4700:3037::ac43:a244 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 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#

74ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

58ms

Field	Value
Serial	2415377397
Primary NS (MNAME)	johnny.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 17:57:42

Field	Value
Registrar	InterNetX GmbH
Registered	1996-06-13
Expires	2027-06-30 (256d)

🔗 Same registrant#

16 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
avenuebikes.dk	InterNetX GmbH
avenuecykler.dk	InterNetX GmbH
bike-by-gubi.dk	InterNetX GmbH
bugatticykler.dk	InterNetX GmbH
hf-christiansen.dk	InterNetX GmbH
hfchristiansen.dk	InterNetX GmbH
mbk-bikes.dk	InterNetX GmbH
mbkcykler.dk	InterNetX GmbH
micadobikes.dk	InterNetX GmbH
motobecanebikes.dk	InterNetX GmbH
nishiki-cykler.dk	InterNetX GmbH
principia-bikes.dk	InterNetX GmbH
principiacykler.dk	InterNetX GmbH
raleigh-cykler.dk	InterNetX GmbH
taarnby-bikes.dk	InterNetX GmbH
tourist-de-lux.dk	InterNetX GmbH

📋 WHOIS#

⏱️ Lookup Timing#

37ms

47ms

42ms

AAAA

46ms

TXT

196ms

CAA

38ms

HTTPS

33ms

TLSA

741ms

SOA

58ms

MTA-STS

50ms

DNSSEC

74ms

SRV

78ms

Total

1289ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 18:03:43	3652ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 02:00:01 shown	1289ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 22:42:59	1054ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 22:31:35	1568ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 05:19:03	2322ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 20:39:46	1729ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 12:44:18	3941ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 08:49:21	1093ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 08:41:34	1198ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 09:09:24	1798ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-20 04:04:03	1864ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-11 20:59:45	1908ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 07:56:26	2211ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 17:13:22	1066ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:06:24	624ms	2 NS 2 A 1 MX	🔒 Secure