21420601.dk

📜 Historical scan 2026-06-23 16:03:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

21420601.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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#

2 records 65ms

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
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	172.253.158.27 2404:6800:4000:1025::1b	so-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4003:c26::1a	tp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 209ms

TXT Record
google-site-verification=-ElZuSSM898xEi30JrmlybHRhIIv7ISglqye0RsZmKw

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 01:08:43

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network 21420601.dk: 195.47.247.18 (AS51468) www.21420601.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

69ms

Field	Value
Serial	2026062101
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 2026-10-16 15:56:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-08-02
Expires	2027-08-31 (318d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

65ms

36ms

37ms

AAAA

105ms

TXT

209ms

CAA

61ms

HTTPS

36ms

TLSA

60ms

SOA

69ms

MTA-STS

42ms

DNSSEC

80ms

SRV

71ms

Total

715ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 01:08:43	495ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-27 16:16:22	802ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-23 14:50:11	805ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-13 19:29:11	796ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-07 10:48:28	961ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-26 03:40:46	679ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-22 16:17:39	2048ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-21 23:53:55	1155ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-15 05:40:16	1326ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-04 20:25:24	3108ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-03 10:52:09	871ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-27 01:44:11	674ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-23 16:03:19 shown	715ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-23 12:16:55	1165ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:44:16	743ms	2 NS 1 A 5 MX	🔒 Secure