extendio.dk

📜 Historical scan 2026-06-22 07:11:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

extendio.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp.google.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 30ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.221	3600s	webcluster1.webpod18-cph3.g1i.one	AS51468	—	—	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.251.1.26 142.251.1.27 173.194.221.26 173.194.221.27 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c1e::1a 2a00:1450:4010:c1e::1b 64.233.163.26	lb-in-f26.1e100.net lb-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lj-in-x1a.1e100.net lj-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f26.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net lj-in-f26.1e100.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

🔷 AAAA Records (IPv6)#

1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:108:eb:382d:eee:e034	3600s	—	AS51468	—	—	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 186ms

TXT Record
google-site-verification=xoAXbAK0VSx3UoYGlnZH_8GU5FQAhEqf9ZU__kLBOf4

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.extendio.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-12 11:03:53

www	46.30.215.221 2a02:2350:5:108:eb:382d:eee:e034 (AS51468) (address records, no CNAME)
www vs bare domain	Same network extendio.dk: 46.30.215.221 2a02:2350:5:108:eb:382d:eee:e034 (AS51468) www.extendio.dk: 46.30.215.221 2a02:2350:5:108:eb:382d:eee:e034 (AS51468)
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.

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

117ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026061401
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 2026-10-02 17:26:21

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-14
Expires	2027-05-13 (206d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

32ms

33ms

AAAA

45ms

TXT

186ms

CAA

40ms

HTTPS

30ms

TLSA

90ms

SOA

40ms

MTA-STS

42ms

DNSSEC

117ms

SRV

93ms

Total

502ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 17:17:24	678ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 16:54:43	586ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 17:55:12	585ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 05:17:31	840ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 18:23:00	8716ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 05:07:04	1787ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 01:04:10	1063ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 04:57:29	804ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 07:11:34 shown	502ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 23:18:38	1117ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:10:00	1289ms	2 NS 1 A 1 MX	🔓 Insecure