st-tag.dk DNS records

🖥️ Nameservers2 records 213ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 210ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.43.16	3600s	linux16.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 223ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sttag-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 52.101.68.10 52.101.68.21 52.101.68.39 52.101.73.26	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr05cu01302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 387ms

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

📝 TXT Records5 records 589ms

TXT Record
DomainVerification=BDP5ASR7IK2DFP0NWCQCA3B1X83KAIBTUGK4NMU1HY39SWUAJNCFWWJOIBPCBA92
Jy+VMFDyAxzPPYYebTKHEUQNqdrRc8QPTLPbjyxFsvmct8x7pRZ3MfZTmg2+b/acCsY5FHQ96fAC1AIv8A0hYg==
knowbe4-site-verification=12db3b27fddec6ea272e3f8d5e7c1a76
MS=ms52818713
v=spf1 include:spf.protection.outlook.com ip4:212.112.184.237 ip4:80.160.72.48/28 -all

✉️ SPF

Policy	Record (st-tag.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:212.112.184.237 ip4:80.160.72.48/28 -all

📨 DMARC

Policy	Record (_dmarc.st-tag.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:67335ed7d9289@dmarc-dk.centerasecurity.com;

📬 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)

🔐 DNSSEC515ms

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

🏷️ SOA241ms

Field	Value
Serial	2025112701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

213ms

A

210ms

MX

223ms

AAAA

245ms

TXT

589ms

CAA

245ms

HTTPS

222ms

TLSA

881ms

SOA

241ms

MTA-STS

259ms

DNSSEC

515ms

SRV

387ms

Total

2371ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 20:06:36	2371ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 12:43:04	2444ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 13:22:23	906ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:34:40	1116ms	2 NS 1 A 1 MX	🔒 Secure	View