sl.dk DNS records

🖥️ Nameservers2 records 1171ms

Nameserver	IP addresses	PTR	ASN / ISP
auth01.t26.dk	77.221.251.240	name1.t26.dk	AS42876 Unit IT Services ApS
auth02.t26.dk	77.221.251.241	name2.t26.dk	AS42876 Unit IT Services ApS

🌍 A Records1 records 1166ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.19	3599s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records1 records 1160ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	sl-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 2a01:111:f403:ca48::a 52.101.68.0 52.101.73.11 52.101.73.28 52.101.73.6	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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	217.63.106.137

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 1181ms

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

📝 TXT Records7 records 1366ms

TXT Record
_globalsign-domain-verification=8lht8PcAKjT_VfvYTaikiF8MNa9vFg1oHL_1lx-uPi
_globalsign-domain-verification=r8m8v9fyDM08_JWnYqKTyLHNTCv0s05Ivxj3v8ktxf
d365mktkey=LKxYnRU2us8WW3tFOE4CExZyshqUngKNMAf0zsKRuIAx
MS=ms58890234
sl-dk-site.azurewebsites.net
v=spf1 mx a include:spf1.sl.dk include:spf2.sl.dk include:bounce.peytz.dk include:spf.zexpense.dk include:sendgrid.net include:spf.protection.outlook.com ~all
V0e2gJ37Onlq+CBc7rFjeOJA/A99zbyL6gw3rAM183WmSf7B5lwPBqOkP+Igsc5NUT71atRz3BoHwzG1cQwL/Q==

✉️ SPF

Policy	Record (sl.dk)
~all (soft fail)	v=spf1 mx a include:spf1.sl.dk include:spf2.sl.dk include:bounce.peytz.dk include:spf.zexpense.dk include:sendgrid.net include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.sl.dk)
p=quarantine	v=DMARC1; p=quarantine; aspf=r; rua=mailto:DMARC@sl.dk; ruf=mailto:DMARC@sl.dk; 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)

🔐 DNSSEC1188ms

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

🏷️ SOA0ms

Field	Value
Serial	630
Primary NS (MNAME)	name1.t26.dk
Responsible (RNAME)	support@globalconnect.dk
Refresh	14400s
Retry	3600s
Expire	3628800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

1171ms

A

1166ms

MX

1160ms

AAAA

1164ms

TXT

1366ms

CAA

41ms

HTTPS

30ms

TLSA

333ms

SOA

0ms

MTA-STS

48ms

DNSSEC

1188ms

SRV

1181ms

Total

7410ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:41:21	7410ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 23:38:24	1098ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 08:57:23	733ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 20:12:41	1640ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 10:12:56	3432ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:38:00	3482ms	2 NS 1 A 1 MX	🔓 Insecure	View