zentroai.dk

📜 Historical scan 2026-10-07 09:41:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zentroai.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	3600s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.251.1.26 142.251.1.27 173.194.221.26 173.194.222.26 173.194.222.27 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b 2a00:1450:4010:c1e::1b	lb-in-f26.1e100.net lb-in-f27.1e100.net lm-in-f26.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net lo-in-x1a.1e100.net lo-in-f26.1e100.net lo-in-x1b.1e100.net lo-in-f27.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 152ms

TXT Record
google-site-verification=zr4TDtoqKBxy7YxM8s0e8BvMmWbeCUFYNithAUNQT3A
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (zentroai.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.zentroai.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@zentroai.dk; fo=1; adkim=r; aspf=r

📬 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 2026-10-09 10:54:08

www	46.30.215.176 2a02:2350:5:106:8080:8b9f:71fb:c4da (AS51468) (address records, no CNAME)
www vs bare domain	Different networks zentroai.dk: 216.198.79.1 (AS16509) www.zentroai.dk: 46.30.215.176 2a02:2350:5:106:8080:8b9f:71fb:c4da (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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#

59ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2026100601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-07-06 01:26:04

Field	Value
Registrar	ONE.COM A/S
Registered	2025-07-17
Expires	2026-07-16 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

36ms

41ms

AAAA

33ms

TXT

152ms

CAA

39ms

HTTPS

40ms

TLSA

135ms

SOA

27ms

MTA-STS

44ms

DNSSEC

59ms

SRV

60ms

Total

509ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:54:08	795ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 09:41:29 shown	509ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 01:26:48	921ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:47:23	667ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 17:38:14	640ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 20:32:17	753ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 15:30:12	663ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 07:34:54	5429ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 22:12:19	1150ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 14:48:06	970ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 01:12:49	1171ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 21:37:19	1538ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 23:40:12	741ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 04:23:10	1167ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:36:25	1457ms	2 NS 1 A 1 MX	🔒 Secure