21235059.dk DNS records

🖥️ Nameservers2 records 26ms

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 Records5 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c1e::1a	lm-in-f26.1e100.net lb-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-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 Records2 records 107ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

26ms

A

29ms

MX

31ms

AAAA

30ms

TXT

107ms

CAA

31ms

HTTPS

24ms

TLSA

105ms

SOA

0ms

MTA-STS

34ms

DNSSEC

104ms

SRV

37ms

Total

623ms

🕐 Scan History

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