sfudlejning.dk DNS records

🖥️ Nameservers2 records 103ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.designrus.dk	176.9.4.22 2a01:4f8:141:3416::2	server1.designrus.dk server1.designrus.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.designrus.dk	2a01:4f8:242:5649::2 49.12.124.182	server2.designrus.dk server2.designrus.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.124.182	3600s	server2.designrus.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	sfudlejning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::7 2a01:111:f403:ca09::a 2a01:111:f403:ca09::d 52.101.103.137 52.101.68.15 52.101.73.145 52.101.73.8	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24
🔶 Autoconfig	discover.designrus.dk → 49.12.124.182

🔷 AAAA Records (IPv6)1 records 114ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:242:5649::2	3600s	server2.designrus.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 208ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	1	443	discover.designrus.dk
_sipfederationtls._tcp	100	1	443	sipfed.online.lync.com

📝 TXT Records2 records 404ms

TXT Record
MS=ms40559701
v=spf1 mx a include:spf.protection.outlook.com include:_spf.designrus.dk ~all

✉️ SPF

Policy	Record (sfudlejning.dk)
~all (soft fail)	v=spf1 mx a include:spf.protection.outlook.com include:_spf.designrus.dk ~all

📨 DMARC

Policy	Record (_dmarc.sfudlejning.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@sfudlejning.dk

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records1 records 111ms

Flags	Tag	Value
0	issue	letsencrypt.org

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.sfudlejning.dk	sfudlejning.dk

🔗 TLSA / DANE

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

🔐 DNSSEC261ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026083002
Primary NS (MNAME)	ns1.designrus.dk
Responsible (RNAME)	admin@designrus.dk
Refresh	1200s
Retry	540s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

103ms

A

78ms

MX

67ms

AAAA

114ms

TXT

404ms

CAA

111ms

HTTPS

114ms

TLSA

486ms

SOA

0ms

MTA-STS

165ms

DNSSEC

261ms

SRV

208ms

Total

2029ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 20:48:30	2029ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 09:46:21	1250ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 03:57:11	2479ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 08:08:20	4118ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 22:15:07	1578ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-07 01:18:51	11011ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 08:19:36	18561ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 01:09:29	1567ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 07:18:08	9735ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-11 07:31:49	1504ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-08 15:56:41	10427ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 12:48:27	1276ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 00:37:44	1074ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 01:10:04	1512ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 07:16:56	2759ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 19:52:20	928ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 22:49:56	1297ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 05:09:17	1212ms	2 NS 1 A 1 MX	🔓 Insecure	View