schumann.dk DNS records

🖥️ Nameservers3 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.stom.dk	172.105.72.183 2a01:7e01::f03c:94ff:fe6a:805d	ns1.dnsresolve.io —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud
ns2.stom.dk	152.115.36.124	—	AS31027 GlobalConnect A/S
ns3.stom.dk	212.71.233.109 2a01:7e00::f03c:94ff:fe9f:2cca	212-71-233-109.ip.linodeusercontent.com —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.13.122	3600s	s6.stom.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	3600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	87.116.13.122
🔶 Autoconfig	87.116.13.122

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 67ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records1 records 186ms

TXT Record
v=spf1 +a +mx +ip4:87.116.13.122 +include:_spf.atznet.dk +include:spf.stom.dk ~all

✉️ SPF

Policy	Record (schumann.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:87.116.13.122 +include:_spf.atznet.dk +include:spf.stom.dk ~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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.schumann.dk	l3zPf3UeZtquJu_au8svfe6NzYjmfpl8nbfJQ2npwW0

🔗 TLSA / DANE2 records 54ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…

🔐 DNSSEC84ms

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	2025051299
Primary NS (MNAME)	ns1.stom.dk
Responsible (RNAME)	cpanel@stom.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

38ms

MX

39ms

AAAA

44ms

TXT

186ms

CAA

48ms

HTTPS

58ms

TLSA

54ms

SOA

0ms

MTA-STS

69ms

DNSSEC

84ms

SRV

67ms

Total

592ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 23:57:28	592ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 04:06:50	748ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 14:44:32	525ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-19 14:36:16	726ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-18 07:40:02	1743ms	3 NS 1 A 2 MX	🔓 Insecure	View