kurtrefsgaard.dk DNS records

🖥️ Nameservers2 records 428ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.170	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records7 records 430ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 64.233.162.26	lm-in-f26.1e100.net lm-in-x1a.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.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
30	3600s	aspmx2.googlemail.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
30	3600s	aspmx3.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx4.googlemail.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
30	3600s	aspmx5.googlemail.com	192.178.230.27 2404:6800:400b:c01b::1a	yunrtab-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)1 records 423ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:8057:d836:5809:b78f	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ 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)

🔐 DNSSEC139ms

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

🏷️ SOA59ms

Field	Value
Serial	2026062901
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

428ms

A

43ms

MX

430ms

AAAA

423ms

TXT

150ms

CAA

58ms

HTTPS

60ms

TLSA

177ms

SOA

59ms

MTA-STS

67ms

DNSSEC

139ms

SRV

428ms

Total

1209ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:53:47	676ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-26 01:10:59	870ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-14 04:50:17	7631ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-01 00:04:34	1495ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-02 10:01:54	1209ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-21 18:52:07	641ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 19:16:44	2769ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-18 00:36:48	861ms	2 NS 1 A 7 MX	🔒 Secure	View