centeo7.dk

📜 Historical scan 2026-08-20 03:12:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

centeo7.dk is a .dk domain served by 2 nameservers (christina.ns.cloudflare.com, frank.ns.cloudflare.com). It was registered on 10 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
christina.ns.cloudflare.com	108.162.194.193 162.159.38.193 172.64.34.193 2606:4700:50::a29f:26c1 2803:f800:50::6ca2:c2c1 2a06:98c1:50::ac40:22c1	christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
frank.ns.cloudflare.com	108.162.193.166 172.64.33.166 173.245.59.166 2606:4700:58::adf5:3ba6 2803:f800:50::6ca2:c1a6 2a06:98c1:50::ac40:21a6	frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 8166ms

TXT Record
google-site-verification=oxdGuxhYt27c4F4msfy0XvymqEgzGMtsvwqcFo1BMJA
v=spf1 include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (centeo7.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com ~all

📨 DMARC#

Policy	Record (_dmarc.centeo7.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:7bf50a9693714d169062fbb3b6b68adf@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 2026-10-08 19:43:55

www	NXDOMAIN
www vs bare domain	Neither resolves centeo7.dk: no address www.centeo7.dk: no address
Wildcard	No

🔎 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#

146ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2412665933
Primary NS (MNAME)	christina.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 23:38:22

Field	Value
Registrar	Simply.com A/S
Registered	2026-04-10
Expires	2027-04-09 (173d)

🔗 Same registrant#

7 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
apollofinans.dk	Punktum dk A/S (direct)
centeo2.dk	Punktum dk A/S (direct)
cnt1.dk	Punktum dk A/S (direct)
ekspertlaan.dk	Punktum dk A/S (direct)
hæveautomaten.dk	Punktum dk A/S (direct)
merkurfinans.dk	Punktum dk A/S (direct)
spillefesten.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

43ms

62ms

63ms

AAAA

42ms

TXT

8166ms

CAA

48ms

HTTPS

61ms

TLSA

190ms

SOA

0ms

MTA-STS

114ms

DNSSEC

146ms

SRV

8087ms

Total

9938ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 17:25:35	1007ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-23 16:16:47	1886ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-21 03:59:27	9384ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-20 03:12:44 shown	9938ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-29 19:42:31	2978ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-27 04:56:45	931ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-23 00:10:03	2047ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-16 20:05:56	614ms	2 NS 0 A 2 MX	🔓 Insecure