tlbyg.dk DNS records

🖥️ Nameservers2 records 41ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.104.202.80	3600s	mbx.itsecurity.dk	AS50346	It Forum Gruppen A/s	193.104.202.0/24	🇩🇰 Denmark	Hellerup

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tlbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 52.101.103.143 52.101.68.0 52.101.68.12 52.101.73.24	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8
🔶 Autoconfig	193.104.202.80

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 128ms

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

📝 TXT Records3 records 451ms

TXT Record
6AKif8EEM2HlbYI2n51d4i4QoCO2xMNJHNnxYknA5DCkrU4K24CRMSnsaykfJIXwtf6yU+A7L+rAJKa+NcDZAA==
apple-domain-verification=e8avFmvmlHuWCkJq
v=spf1 ip4:94.231.110.14 ip4:94.231.106.116 ip4:77.68.238.181 ip4:77.68.238.178 ip4:77.68.238.179 ip4:5.33.7.2 include:mailgun.org include:spf.exclaimer.net include:spf.itsit.dk include:spf.zoho.eu -all

✉️ SPF

Policy	Record (tlbyg.dk)
-all (hard fail)	v=spf1 ip4:94.231.110.14 ip4:94.231.106.116 ip4:77.68.238.181 ip4:77.68.238.178 ip4:77.68.238.179 ip4:5.33.7.2 include:mailgun.org include:spf.exclaimer.net include:spf.itsit.dk include:spf.zoho.eu -all

📨 DMARC

Policy	Record (_dmarc.tlbyg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@itsit.dk

📬 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.tlbyg.dk	9bc203fd-917e-413e-ade2-3c50763735bc.auth.acme-dns.io
TXT	9bc203fd-917e-413e-ade2-3c50763735bc.auth.acme-dns.io	7bm5Ui_glcQ0WWmvtYJnU5pjrBklOh4KXPbzis_fWMs
TXT	9bc203fd-917e-413e-ade2-3c50763735bc.auth.acme-dns.io	YOSmp5rrcFY3Ed3mjZI21bzr31cOlqFupR9MKxCsDBI

🔗 TLSA / DANE

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

🔐 DNSSEC169ms

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

🏷️ SOA0ms

Field	Value
Serial	2025070303
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

41ms

A

44ms

MX

40ms

AAAA

38ms

TXT

451ms

CAA

41ms

HTTPS

38ms

TLSA

415ms

SOA

0ms

MTA-STS

146ms

DNSSEC

169ms

SRV

128ms

Total

1315ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 02:50:53	1315ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 14:22:56	731ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 03:50:14	944ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 14:56:58	2950ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 11:11:16	520ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 11:07:53	831ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:48:41	2061ms	2 NS 1 A 1 MX	🔒 Secure	View