schultz-information.dk DNS records

🖥️ Nameservers3 records 47ms

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 Records

🌍

No A records found

📧 MX Records3 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	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	300s	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	300s	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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 210ms

TXT Record
MS=ms36163117
v=spf1 include:_spf56320.spf-protect.dk -all

✉️ SPF

Policy	Record (schultz-information.dk)
-all (hard fail)	v=spf1 include:_spf56320.spf-protect.dk -all

📨 DMARC

Policy	Record (_dmarc.schultz-information.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 56ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-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.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
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…

🔐 DNSSEC94ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	43
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

47ms

A

2047ms

MX

46ms

AAAA

51ms

TXT

210ms

CAA

52ms

HTTPS

58ms

TLSA

56ms

SOA

0ms

MTA-STS

76ms

DNSSEC

94ms

SRV

81ms

Total

2641ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 13:50:47	2641ms	3 NS 0 A 3 MX	🔓 Insecure	View
2026-06-25 18:03:40	812ms	3 NS 0 A 3 MX	🔓 Insecure	View
2026-06-24 00:09:50	837ms	3 NS 0 A 3 MX	🔓 Insecure	View
2026-06-19 20:01:45	595ms	3 NS 0 A 3 MX	🔓 Insecure	View
2026-06-17 15:24:28	697ms	3 NS 0 A 3 MX	🔓 Insecure	View