jantzens.dk DNS records

🖥️ Nameservers2 records 31ms

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
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records7 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	2a00:1450:4010:c20::1b 64.233.161.27	yulppbn-in-f27.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	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
30	43200s	aspmx2.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	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.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	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
40	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC 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 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)

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082201
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

31ms

A

43ms

MX

45ms

AAAA

45ms

TXT

224ms

CAA

54ms

HTTPS

51ms

TLSA

92ms

SOA

0ms

MTA-STS

65ms

DNSSEC

91ms

SRV

74ms

Total

884ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:11:43	884ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-25 16:53:54	902ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-23 00:55:30	2848ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-20 00:04:53	5633ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-05 00:40:52	10273ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-27 17:41:53	1409ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-25 16:40:43	1375ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-14 01:36:10	1507ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-01 17:51:27	1216ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-29 18:53:31	852ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-21 01:01:53	675ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 03:59:40	2808ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-18 16:29:45	947ms	2 NS 1 A 7 MX	⚠️ Bogus	View
2026-06-17 14:18:24	2544ms	2 NS 1 A 7 MX	🔒 Secure	View