sifanet.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
152.115.191.238	43200s	—	AS31027	GlobalConnect A/S	152.115.0.0/16	🇩🇰 Denmark	Valby

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	sifanet-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::8 52.101.181.153 52.101.68.3 52.101.68.32 52.101.73.2	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.40
🔶 Autoconfig	sifanet.dk → 152.115.191.238

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 209ms

TXT Record
MS=ms85259817
v=spf1 include:spf.protection.outlook.com -all
YvQhW-a7rxV7eQIZz2KJFIcVxACI7bqoze3s2nNlopI

✉️ SPF

Policy	Record (sifanet.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.sifanet.dk	lgxF0e1EqyhkIpfvGOobEg9Z7w2OT7qky66X7v_2080

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032501
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

48ms

MX

42ms

AAAA

37ms

TXT

209ms

CAA

51ms

HTTPS

45ms

TLSA

313ms

SOA

0ms

MTA-STS

77ms

DNSSEC

83ms

SRV

74ms

Total

1082ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:13:46	1082ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 16:59:44	1295ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 18:20:56	5326ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 04:24:34	1155ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 15:28:57	1608ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 18:48:36	5663ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:33:30	14187ms	2 NS 1 A 1 MX	🔒 Secure	View