realk.dk DNS records

🖥️ Nameservers4 records 40ms

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 41ms

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 Records2 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	eu-smtp-inbound-1.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited
10	600s	eu-smtp-inbound-2.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 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 62ms

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

📝 TXT Records3 records 150ms

TXT Record
0ed1fe018acf09ba4f337542ed8425e59583335a52
MS=ms40595807
v=spf1 include:spf.protection.outlook.com include:eu._netblocks.mimecast.com -all

✉️ SPF

Policy	Record (realk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:eu._netblocks.mimecast.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)

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2026020601
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

40ms

A

41ms

MX

38ms

AAAA

43ms

TXT

150ms

CAA

35ms

HTTPS

50ms

TLSA

110ms

SOA

0ms

MTA-STS

64ms

DNSSEC

94ms

SRV

62ms

Total

944ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:52:57	944ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 10:16:26	1070ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 12:52:21	769ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 02:59:14	940ms	4 NS 1 A 2 MX	🔒 Secure	View