v-tac.dk DNS records

🖥️ Nameservers4 records 34ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	vtac-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::a 2a01:111:f403:ca09::2 2a01:111:f403:ca09::b 52.101.68.15 52.101.68.25 52.101.68.29 52.101.73.12	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.8
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 106ms

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

📝 TXT Records3 records 266ms

TXT Record
google-site-verification=s8TT760MmlOmnqoIiIZ9PW12bNJcYEvYR_YIEYNTp8s
MS=ms55237711
v=spf1 mx a ptr include:spf-eu.emailsignatures365.com include:spf.protection.outlook.com include:spf.mtasv.net ip4:94.130.156.172 ~all

✉️ SPF

Policy	Record (v-tac.dk)
~all (soft fail)	v=spf1 mx a ptr include:spf-eu.emailsignatures365.com include:spf.protection.outlook.com include:spf.mtasv.net ip4:94.130.156.172 ~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)

🔐 DNSSEC90ms

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

🏷️ SOA47ms

Field	Value
Serial	2025042300
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

34ms

A

44ms

MX

44ms

AAAA

45ms

TXT

266ms

CAA

29ms

HTTPS

80ms

TLSA

137ms

SOA

47ms

MTA-STS

45ms

DNSSEC

90ms

SRV

106ms

Total

728ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-21 17:00:13	728ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 06:40:49	1007ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:04:47	620ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 05:01:59	11867ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:24:08	904ms	4 NS 1 A 1 MX	🔒 Secure	View