instrudent.dk DNS records

🖥️ Nameservers2 records 44ms

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 49ms

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 Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	173.194.220.26 173.194.220.27 173.194.221.26 173.194.221.27 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 64.233.163.27	lk-in-f26.1e100.net lk-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net lk-in-f26.1e100.net lk-in-x1a.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC 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 214ms

TXT Record
google-site-verification=D4JnZyqaOEUAhWB3rYTo7MxD0PTyl7fdDZiXHdaBdYQ

✉️ 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)

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081701
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

44ms

A

49ms

MX

54ms

AAAA

67ms

TXT

214ms

CAA

49ms

HTTPS

41ms

TLSA

118ms

SOA

0ms

MTA-STS

84ms

DNSSEC

90ms

SRV

73ms

Total

929ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:32:53	929ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 20:13:46	1461ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 18:43:37	1387ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 23:06:55	1790ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 13:29:29	5124ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 08:24:55	633ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 10:14:19	568ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-19 07:01:55	2174ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:13:54	300ms	0 NS 0 A 0 MX	❓ Unknown	View