koldnielsen.dk DNS records

🖥️ Nameservers2 records 56ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records7 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.251.9.27 2a00:1450:4010:c08::1a 2a00:1450:4010:c08::1a	rc-in-f27.1e100.net lg-in-x1a.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	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
20	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4013:813::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.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
30	43200s	aspmx5.googlemail.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

📧 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 Records1 records 237ms

TXT Record
google-site-verification=2Ec99ndoVOCpyib3vp-gTHAOGDdbYn7QMuX2yEZ0XL8

✉️ 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)

🔐 DNSSEC161ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090303
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

56ms

A

51ms

MX

48ms

AAAA

51ms

TXT

237ms

CAA

56ms

HTTPS

60ms

TLSA

141ms

SOA

0ms

MTA-STS

81ms

DNSSEC

161ms

SRV

91ms

Total

1010ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 00:12:52	1010ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-25 10:45:11	761ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-24 09:45:19	7612ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-18 23:21:08	10767ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-01 05:14:36	5609ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-18 09:33:46	1295ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-06 21:55:15	2022ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-27 14:15:07	1611ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-24 21:33:22	5149ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-24 04:31:29	1042ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:42:30	2642ms	2 NS 1 A 7 MX	🔒 Secure	View