rexskov.dk DNS records

🖥️ Nameservers4 records 407ms

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 231ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.148	3600s	linux135.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 225ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	rexskov-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.68.18 52.101.68.5 52.101.73.15 52.101.73.6	mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am6pr04cu00306.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	94.231.103.148

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 251ms

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

📝 TXT Records4 records 396ms

TXT Record
google-site-verification=u5S5IkkIhiTiMGW5udHE7wlpXahdedRot-V_iOKdUNQ
mandrill_verify.OeOQpuADxKX4jO1Z-4AsLA
selector1-rexskovdk-onmicrosoft-com._domainkey
v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all

✉️ SPF

Policy	Record (rexskov.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all

📨 DMARC

Policy	Record (_dmarc.rexskov.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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)

🔐 DNSSEC333ms

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

🏷️ SOA255ms

Field	Value
Serial	2025072801
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

407ms

A

231ms

MX

225ms

AAAA

229ms

TXT

396ms

CAA

240ms

HTTPS

247ms

TLSA

367ms

SOA

255ms

MTA-STS

257ms

DNSSEC

333ms

SRV

251ms

Total

1685ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 16:48:08	1685ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 20:55:53	1443ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 19:24:46	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 12:46:24	1315ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 00:17:42	1136ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 21:12:00	768ms	4 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-20 18:38:53	1255ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:44:25	12891ms	4 NS 1 A 1 MX	🔒 Secure	View