sofa1.dk DNS records

🖥️ Nameservers2 records 28ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sofa1-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca09::8 52.101.68.16 52.101.73.1 52.101.73.12 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	46.30.215.38

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 142ms

TXT Record
google-site-verification=s3fG-5hr-1ONwpDCQgBeNmyJqGm8UcwLukrJ9083fSw
MS=ms95709386
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (sofa1.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

📨 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)

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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

28ms

A

26ms

MX

26ms

AAAA

31ms

TXT

142ms

CAA

22ms

HTTPS

29ms

TLSA

405ms

SOA

0ms

MTA-STS

45ms

DNSSEC

92ms

SRV

91ms

Total

1146ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 22:36:59	1146ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 14:44:37	5224ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 07:03:17	1378ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 22:44:59	10139ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 03:19:40	892ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 00:29:50	1145ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 12:16:15	866ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 21:22:03	897ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:58:48	1155ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:39:00	903ms	2 NS 1 A 1 MX	🔒 Secure	View