superusers.dk DNS records

🖥️ Nameservers2 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
pdns03.domaincontrol.com	2603:5:21f0::33 97.74.111.51	pdns03.domaincontrol.com pdns03.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
pdns04.domaincontrol.com	173.201.79.51 2603:5:22f0::33	pdns04.domaincontrol.com pdns04.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	600s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	superusers-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::6 52.101.68.0 52.101.68.15 52.101.68.3 52.101.73.8	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 129ms

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

📝 TXT Records7 records 287ms

TXT Record
_globalsign-domain-verification=D-NcWgmkQ2ZnHYhLAi2RjY6Skgq1fwEnU29UJ--0Ek
5gcssfjlgjeoll2898hshjoopi
klaviyo-site-verification=RDvZL8
klaviyo-site-verification=WMVfXf
MS=B835433698428969061955F6AF85A8E76EAD17D9
puf20riv62gj92enl2mctit1ca
v=spf1 ip4:212.98.70.130 ip4:87.104.223.236 include:spf.protection.outlook.com include:servers.mcsv.net -all

✉️ SPF

Policy	Record (superusers.dk)
-all (hard fail)	v=spf1 ip4:212.98.70.130 ip4:87.104.223.236 include:spf.protection.outlook.com include:servers.mcsv.net -all

📨 DMARC

Policy	Record (_dmarc.superusers.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@superusers.dk

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records4 records 82ms

Flags	Tag	Value
0	issue	globalsign.com
0	issue	letsencrypt.org
0	issue	pki.goog
0	issuewild	globalsign.com

🔗 TLSA / DANE

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

🔐 DNSSEC2078ms

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	2026081801
Primary NS (MNAME)	pdns03.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	300s
Retry	600s
Expire	1814400s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

59ms

A

52ms

MX

52ms

AAAA

77ms

TXT

287ms

CAA

82ms

HTTPS

50ms

TLSA

188ms

SOA

0ms

MTA-STS

99ms

DNSSEC

2078ms

SRV

129ms

Total

3143ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:01:19	3143ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 16:26:59	10609ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 14:50:20	5697ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 10:11:41	838ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 18:36:17	2589ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 14:32:42	2222ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 02:53:08	15760ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 00:18:09	2332ms	2 NS 1 A 1 MX	🔓 Insecure	View