undr.dk DNS records

🖥️ Nameservers2 records 49ms

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 Records1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	3600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records5 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.220.26 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lk-in-f26.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC 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	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.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 Records1 records 166ms

TXT Record
google-site-verification=cQk8wyXhTU9zcWv2pWKMSROPFrJNDVgY-JF8hyVEg7c

✉️ 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

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

49ms

A

55ms

MX

55ms

AAAA

62ms

TXT

166ms

CAA

58ms

HTTPS

61ms

TLSA

77ms

SOA

0ms

MTA-STS

65ms

DNSSEC

96ms

SRV

76ms

Total

694ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 00:23:03	694ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-26 11:57:12	712ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-11 08:58:09	7021ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-24 09:44:28	979ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-24 07:52:36	1164ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:34:13	1150ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 11:33:11	2543ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 23:34:27	989ms	2 NS 1 A 5 MX	🔒 Secure	View