subra.dk DNS records

🖥️ Nameservers4 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.31	3479s	linux57.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	subra-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.209.153 52.101.68.12 52.101.68.3 52.101.73.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56
🔶 Autoconfig	94.231.103.31

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 136ms

TXT Record
anthropic-domain-verification-43kn37=5LftE30jjvWgQnDBReylyEgpC
apple-domain-verification=ERUcRgDPfKLvxNBR
v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (subra.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.subra.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 / DANE

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

🔐 DNSSEC86ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026070600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

47ms

MX

45ms

AAAA

51ms

TXT

136ms

CAA

39ms

HTTPS

31ms

TLSA

591ms

SOA

0ms

MTA-STS

63ms

DNSSEC

86ms

SRV

70ms

Total

1089ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:47:34	1089ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 06:59:33	1388ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 05:39:20	812ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 05:39:18	1725ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 01:00:19	940ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:13:31	1435ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 19:38:14	967ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 05:26:48	1541ms	4 NS 1 A 1 MX	🔒 Secure	View