ulrichleth.dk DNS records

🖥️ Nameservers4 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.hosit.dk	193.104.202.31	ns01.hosit.dk	AS50346 It Forum Gruppen A/s
ns02.hosit.dk	87.116.23.114	ns02.hosit.dk	AS31027 GlobalConnect A/S
ns03.hosit.dk	152.115.55.201	ns04.hosit.dk	AS31027 GlobalConnect A/S
ns04.hosit.dk	152.115.55.201	ns04.hosit.dk	AS31027 GlobalConnect A/S

🌍 A Records

🌍

No A records found

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ulrichleth-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 2a01:111:f403:ca48::8 52.101.68.15 52.101.68.25 52.101.73.155 52.101.73.4	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 112ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 242ms

TXT Record
MS=ms66727587
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ulrichleth.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

🔗 TLSA / DANE

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

🔐 DNSSEC9099ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2024022203
Primary NS (MNAME)	ns01.hosit.dk
Responsible (RNAME)	support@sit.dk
Refresh	28800s
Retry	7200s
Expire	1814400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

63ms

MX

44ms

AAAA

55ms

TXT

242ms

CAA

44ms

HTTPS

57ms

TLSA

367ms

SOA

0ms

MTA-STS

115ms

DNSSEC

9099ms

SRV

112ms

Total

9967ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:43:13	9967ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 04:39:19	727ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 04:35:31	648ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 02:53:29	1379ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 01:40:59	2920ms	4 NS 0 A 1 MX	🔓 Insecure	View