haldguttenberg.dk DNS records

🖥️ Nameservers4 records 208ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 347ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
88.99.185.90	3600s	static.90.185.99.88.clients.your-server.de	AS24940	Hetzner Online GmbH	88.99.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 246ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 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 400ms

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

📝 TXT Records2 records 591ms

TXT Record
mscid=EjsKIgd9DaswOgYwrCYjY/iKZx06k/ZpiIJqbcZoasPJ82W+8NfCVYqpkHKLc40gTcZk5RdqqGtogASJcEz2Yg==
v=spf1 ip4:217.116.213.38 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:_spf.signicat.cloud -all

✉️ SPF

Policy	Record (haldguttenberg.dk)
-all (hard fail)	v=spf1 ip4:217.116.213.38 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:_spf.signicat.cloud -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 / DANE2 records 398ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC435ms

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

🏷️ SOA299ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

208ms

A

347ms

MX

246ms

AAAA

353ms

TXT

591ms

CAA

253ms

HTTPS

216ms

TLSA

398ms

SOA

299ms

MTA-STS

359ms

DNSSEC

435ms

SRV

400ms

Total

3876ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 03:44:39	3876ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 05:11:44	959ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 08:59:05	947ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:42:52	713ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:42:34	1878ms	4 NS 1 A 1 MX	🔓 Insecure	View