schultz.dk DNS records

🖥️ Nameservers3 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.schultzdns.dk	91.199.208.44	ns1.schultzdns.dk	AS44398 Itm8 A/S
ns2.schultzdns.dk	13.74.63.250	ns2.schultzdns.dk	AS8075 Microsoft Corporation
ns3.schultzdns.dk	91.199.208.46	ns3.schultzdns.dk	AS44398 Itm8 A/S

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records3 records 42ms

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
10	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.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
20	3600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records3 records 117ms

Service	Port	Target
_autodiscover._tcp	443	autodiscover.outlook.com
_sipfederationtls._tcp	5061	sipfed.online.lync.com
_xmpp-server._tcp	5269	lync.schultz.dk

📝 TXT Records8 records 256ms

TXT Record
anthropic-domain-verification-bep8se=NYBPg9l7H62kj0qOGq7KaFcqs
apple-domain-verification=txa0tpYlVS7krQpz
brevo-code:3d8d50be5f3954ca171e2fdffbc927eb
cursor-domain-verification-rz9ym0=VNAtgJF3fs1yWsMvZfaxSBUOE
google-site-verification=izkiWMkgms4uxjPue1E79EIQtpxVYGIP3TyhHpjqF80
openai-domain-verification=dv-93nTbVjgWWypL7NawwxWzJSR
openai-domain-verification=dv-uJZx6sLBVlPWIIGy53UObMB2
v=spf1 include:_spf56390.spf-protect.dk -all

✉️ SPF

Policy	Record (schultz.dk)
-all (hard fail)	v=spf1 include:_spf56390.spf-protect.dk -all

📨 DMARC

Policy	Record (_dmarc.schultz.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:66eac7a0555fa@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 / DANE6 records 129ms

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…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC136ms

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	668
Primary NS (MNAME)	ns1.schultzdns.dk
Responsible (RNAME)	hostmaster@schultzdns.dk
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

45ms

MX

42ms

AAAA

57ms

TXT

256ms

CAA

70ms

HTTPS

65ms

TLSA

129ms

SOA

0ms

MTA-STS

74ms

DNSSEC

136ms

SRV

117ms

Total

3802ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 21:46:35	1530ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-07-24 09:41:05	35558ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 09:19:23	3802ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 19:31:12	2005ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 01:33:34	797ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 22:01:41	4409ms	3 NS 1 A 3 MX	🔓 Insecure	View