securefirst.dk DNS records

🖥️ Nameservers3 records 105ms

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

🌍 A Records1 records 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.81	3600s	linux124.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	securefirst-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::d 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.68.5 52.101.73.153 52.101.73.19 52.101.73.22	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 132.245.230.36

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 156ms

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

📝 TXT Records2 records 245ms

TXT Record
apple-domain-verification=wlFTgHjj30XAEgMG
v=spf1 ip4:172.205.114.33 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (securefirst.dk)
~all (soft fail)	v=spf1 ip4:172.205.114.33 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.securefirst.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:support+dmarc@securefirst.dk; ruf=mailto:support+dmarc@securefirst.dk

📬 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)

🔐 DNSSEC244ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081901
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-06-23 19:41:25

Field	Value
Registrar	Simply.com A/S
Registered	2023-07-02
Expires	2030-07-01 (1398d)

📋 WHOIS

⏱️ Lookup Timing

NS

105ms

A

82ms

MX

85ms

AAAA

86ms

TXT

245ms

CAA

79ms

HTTPS

92ms

TLSA

230ms

SOA

0ms

MTA-STS

105ms

DNSSEC

244ms

SRV

156ms

Total

1418ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 10:02:36	1418ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 10:02:10	3963ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 04:57:12	1363ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 11:05:29	1927ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 12:32:26	1573ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 19:22:56	2428ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 20:33:23	3483ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 05:46:04	1228ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:30:46	4103ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 12:39:11	1111ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 19:37:54	3717ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 13:55:33	985ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:25:30	1557ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 20:14:52	1104ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 20:48:23	813ms	3 NS 1 A 1 MX	🔒 Secure	View