fsu.dk DNS records

🖥️ Nameservers2 records 80ms

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 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.215	600s	prolinux4.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fsu-dk.mail.protection.outlook.com	2a01:111:f403:ca09::24 2a01:111:f403:ca09::9 2a01:111:f403:ca09::a 2a01:111:f403:ca48::c 52.101.73.15 52.101.73.153 52.101.73.24 52.101.73.4	mail-am6pr02cu00204.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.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	fsu.dk → 185.21.41.215

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 119ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 244ms

TXT Record
MS=ms14240887
v=spf1 include:spf.protection.outlook.com include:spf.unoeuro.com include:mailgun.org ip4:5.103.13.44 -all

✉️ SPF

Policy	Record (fsu.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.unoeuro.com include:mailgun.org ip4:5.103.13.44 -all

📨 DMARC

Policy	Record (_dmarc.fsu.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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
CNAME	_acme-challenge.fsu.dk	fsu.dk

🔗 TLSA / DANE

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

🔐 DNSSEC139ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

80ms

A

69ms

MX

66ms

AAAA

61ms

TXT

244ms

CAA

84ms

HTTPS

96ms

TLSA

267ms

SOA

0ms

MTA-STS

116ms

DNSSEC

139ms

SRV

119ms

Total

1148ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:44:04	1148ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 17:17:33	854ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 14:31:33	5223ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 14:11:04	1217ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 14:03:56	1203ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 09:36:20	1695ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 12:17:18	2693ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 22:53:30	2732ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 02:55:05	920ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 23:33:23	1203ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 13:55:18	574ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:20:42	1049ms	2 NS 1 A 1 MX	🔒 Secure	View