centeo1.dk

Records from scan: 2026-09-30 09:08:06 · 780ms total · last checked 2026-10-17 08:41 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

centeo1.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was registered on 6 February 2024 (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, has no DMARC policy and has no IPv6 address. 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#

3 records 361ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	172.64.52.210 2606:4700:52::ac40:34d2	ns1.digitalocean.com ns1.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.digitalocean.com	172.64.53.21 2606:4700:5a::ac40:3515	ns2.digitalocean.com ns2.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.digitalocean.com	172.64.49.209 2606:4700:52::ac40:31d1	ns3.digitalocean.com ns3.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	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	14400s	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 345ms

TXT Record
google-site-verification=GL3mcm6TZ4xJ1zwZOp5ooRbYiwL6sLenF7q0YUS1Be8
v=spf1 include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (centeo1.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 16:24:05

www	NXDOMAIN
www vs bare domain	Neither resolves centeo1.dk: no address www.centeo1.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#

90ms

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	0
Primary NS (MNAME)	ns1.digitalocean.com
Responsible (RNAME)	hostmaster@centeo1.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 18:22:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-02-06
Expires	2027-02-05 (110d)

🔗 Same registrant#

8 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)
centeo7.dk	Simply.com A/S
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#

361ms

53ms

43ms

AAAA

55ms

TXT

345ms

CAA

44ms

HTTPS

52ms

TLSA

122ms

SOA

0ms

MTA-STS

230ms

DNSSEC

90ms

SRV

82ms

Total

780ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:08:06 shown	780ms	3 NS 0 A 2 MX	🔓 Insecure
2026-09-26 20:33:52	2572ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-21 05:00:24	1277ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-20 22:44:30	1119ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 14:32:38	2567ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-18 17:56:46	958ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-16 20:05:35	673ms	3 NS 0 A 2 MX	🔓 Insecure