sikkerhedsbranchen.dk DNS records

🖥️ Nameservers4 records 57ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.45	3600s	linux15.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sikkerhedsbranchen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.181.153 52.101.68.15 52.101.68.36 52.101.68.5	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 263ms

TXT Record
v=spf1 include:_spf.mailersend.net include:web.shared.mysmtp.com include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.defgo.com -all

✉️ SPF

Policy	Record (sikkerhedsbranchen.dk)
-all (hard fail)	v=spf1 include:_spf.mailersend.net include:web.shared.mysmtp.com include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.defgo.com -all

📨 DMARC

Policy	Record (_dmarc.sikkerhedsbranchen.dk)
p=reject	v=DMARC1; p=reject; pct=100;

📬 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)

🔐 DNSSEC219ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	zkAe+fzvaY8ndWpvCAk84+60RHQLcM/yF8oyFehj…

🏷️ SOA3ms

Field	Value
Serial	2026040700
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

57ms

A

34ms

MX

55ms

AAAA

19ms

TXT

263ms

CAA

0ms

HTTPS

70ms

TLSA

298ms

SOA

3ms

MTA-STS

103ms

DNSSEC

219ms

SRV

0ms

Total

2683ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 16:09:34	2683ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:01:36	3933ms	4 NS 1 A 1 MX	🔒 Secure	View