21235059.dk

📜 Historical scan 2026-06-19 09:50:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

21235059.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 61ms

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#

🌍

No A records found

📧 MX Records#

5 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 64.233.163.26	lo-in-f26.1e100.net lo-in-x1a.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4008:c01::1b	so-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1b	yunrtab-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.27 2a00:1450:4010:c22::1b	yunrtab-in-f27.1e100.net yulpptr-in-f27.1e100.net	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 238ms

TXT Record
google-site-verification=vngHJz1N96FcIP7FepFrTYtS_H7qGsy6Pr5wmFMRrCc
v=spf1 include:aspmx.googlemail.com ~all

✉️ SPF#

Policy	Record (21235059.dk)
~all (soft fail)	v=spf1 include:aspmx.googlemail.com ~all

📨 DMARC#

Policy	Record (_dmarc.21235059.dk)
p=reject	v=DMARC1;p=reject;pct=100;

📬 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 2026-10-10 20:43:16

www	NXDOMAIN
www vs bare domain	Neither resolves 21235059.dk: no address www.21235059.dk: no address
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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

37ms

Field	Value
Serial	2026052401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

61ms

39ms

60ms

AAAA

90ms

TXT

238ms

CAA

59ms

HTTPS

37ms

TLSA

57ms

SOA

37ms

MTA-STS

42ms

DNSSEC

103ms

SRV

90ms

Total

858ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 02:48:26	733ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-16 16:24:13	580ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-27 01:03:56	623ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-25 08:11:52	2107ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-25 12:06:01	5408ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-24 11:24:13	17084ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-24 21:00:00	1825ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-24 12:43:40	928ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-19 09:50:02 shown	858ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 12:45:21	861ms	2 NS 0 A 5 MX	🔒 Secure