gtf.dk DNS records

🖥️ Nameservers4 records 48ms

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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.107.70	3600s	linux32.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gtf-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 52.101.103.36 52.101.68.0 52.101.73.155 52.101.73.16	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.24
🔶 Autoconfig	94.231.107.70

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 55ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records2 records 165ms

TXT Record
MS=ms66959920
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔗 TLSA / DANE

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

🔐 DNSSEC89ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082102
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

48ms

A

46ms

MX

53ms

AAAA

36ms

TXT

165ms

CAA

46ms

HTTPS

44ms

TLSA

885ms

SOA

0ms

MTA-STS

54ms

DNSSEC

89ms

SRV

55ms

Total

1456ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 22:22:33	1456ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 06:37:32	1944ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 06:27:07	4049ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 01:40:19	1016ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 10:48:45	493ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 10:41:01	600ms	4 NS 1 A 0 MX	🔒 Secure	View