sdfh.dk DNS records

🖥️ Nameservers2 records 41ms

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 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.127	3600s	webforward.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sdfh-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::1 2a01:111:f403:ca09::f 2a01:111:f403:ca48::a 52.101.68.25 52.101.68.27 52.101.73.2 52.101.73.22	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.56
🔶 Autoconfig	46.30.213.96

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 281ms

TXT Record
MS=ms77485869
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.sdfh.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; pct=100

📬 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)

🔐 DNSSEC141ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081705
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

41ms

A

73ms

MX

38ms

AAAA

98ms

TXT

281ms

CAA

61ms

HTTPS

61ms

TLSA

370ms

SOA

0ms

MTA-STS

118ms

DNSSEC

141ms

SRV

96ms

Total

1220ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:01:54	1220ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 21:33:26	3193ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 11:25:45	2189ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 22:23:22	5941ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 10:14:14	5378ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 14:53:40	1236ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 06:43:54	4982ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 17:57:14	802ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:15:01	1009ms	2 NS 1 A 1 MX	🔒 Secure	View