rassol.dk DNS records

🖥️ Nameservers4 records 46ms

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 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.103.128.37	3600s	37-128.vitec.se	AS197332	Vitec Software Group AB	194.103.128.0/23	🇸🇪 Sweden	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rassol-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::6 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 52.101.181.153 52.101.68.29 52.101.73.2 52.101.73.8	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 65ms

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

📝 TXT Records4 records 177ms

TXT Record
_globalsign-domain-verification=_q7xAjyW59Ra5EGbnfJbSMsD9t53EEwnPdNxybpLd6
_globalsign-domain-verification=o2N2162mvT-uljjvIpiOpy8GwgSsVYoMHevd8IfAQa
MS=ms10081960
v=spf1 ip4:80.63.9.50 include:spf.protection.outlook.com include:_spf.ondonator.se include:mailgun.org -all

✉️ SPF

Policy	Record (rassol.dk)
-all (hard fail)	v=spf1 ip4:80.63.9.50 include:spf.protection.outlook.com include:_spf.ondonator.se include:mailgun.org -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)

🔐 DNSSEC131ms

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

🏷️ SOA0ms

Field	Value
Serial	2025053000
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

46ms

A

63ms

MX

42ms

AAAA

41ms

TXT

177ms

CAA

43ms

HTTPS

47ms

TLSA

354ms

SOA

0ms

MTA-STS

102ms

DNSSEC

131ms

SRV

65ms

Total

1053ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:02:49	1053ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 13:08:08	962ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 17:38:03	9376ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:48:09	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:31:53	887ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:27:13	1057ms	4 NS 1 A 1 MX	🔒 Secure	View