centeo1.dk

📜 Historical scan 2026-06-16 20:05:35 · ← Latest scan

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

🖥️ Nameservers#

3 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	—	—	—
ns2.digitalocean.com	—	—	—
ns3.digitalocean.com	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.improvmx.com	13.37.195.136 15.236.236.160 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.
20	—	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92	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.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 275ms

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#

latest probe, not this scan · 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#

153ms

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#

64ms

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 (109d)

🔗 Same registrant#

13 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)
centeo.dk	Punktum dk A/S (direct)
centeo2.dk	Punktum dk A/S (direct)
centeo3.dk	Punktum dk A/S (direct)
centeo6.dk	Simply.com A/S
centeo7.dk	Simply.com A/S
cnt1.dk	Punktum dk A/S (direct)
easybanker.dk	Punktum dk A/S (direct)
ekspertlaan.dk	Punktum dk A/S (direct)
everlend.dk	Simply.com A/S
hæveautomaten.dk	Punktum dk A/S (direct)
merkurfinans.dk	Punktum dk A/S (direct)
spillefesten.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

74ms

82ms

90ms

AAAA

77ms

TXT

275ms

CAA

73ms

HTTPS

73ms

TLSA

83ms

SOA

64ms

MTA-STS

70ms

DNSSEC

153ms

SRV

0ms

Total

673ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:08:06	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 shown	673ms	3 NS 0 A 2 MX	🔓 Insecure