ernst.dk DNS records

🖥️ Nameservers2 records 42ms

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
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	. Null MX — domain accepts no email (RFC 7505)

🔷 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)

🔐 DNSSEC70ms

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

🏷️ SOA98ms

Field	Value
Serial	2026060901
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

42ms

A

49ms

MX

43ms

AAAA

43ms

TXT

225ms

CAA

42ms

HTTPS

42ms

TLSA

49ms

SOA

98ms

MTA-STS

101ms

DNSSEC

70ms

SRV

133ms

Total

553ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 02:29:16	708ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 23:29:22	634ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 04:29:16	16802ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-02 23:08:01	8689ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-31 10:21:30	953ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 19:38:20	1087ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 19:23:04	1033ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 19:10:50	764ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 18:54:07	739ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 18:15:30	2747ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 16:46:04	8597ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 03:48:30	635ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 19:55:02	827ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 15:46:55	1187ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 15:06:04	736ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-15 22:22:11	2516ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-08 21:44:05	24751ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-06 17:59:55	1794ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-05 08:40:14	685ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 08:39:21	702ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-03 10:17:59	3455ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 05:57:29	615ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 03:27:45	911ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 18:37:38	553ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 12:48:19	529ms	2 NS 1 A 1 MX	🔒 Secure	View