gsregnskab.dk DNS records

🖥️ Nameservers4 records 52ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.157	3600s	linux141.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records2 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gsregnskab-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 52.101.68.16 52.101.68.36 52.101.68.5 52.101.73.6	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.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
10	3600s	xxxxx.mail.protection.outlook.com	2a01:111:f403:c902::1 2a01:111:f403:c91d:: 2a01:111:f403:c946::2 2a01:111:f403:f90b:: 52.101.10.1 52.101.10.12 52.101.41.22 52.101.41.58	mail-sj2pr05cu00401.inbound.protection.outlook.com mail-mw2pr04cu00100.inbound.protection.outlook.com mail-ch4pr04cu00102.inbound.protection.outlook.com mail-bn6pr04cu00100.inbound.protection.outlook.com mail-bn6pr02cu00301.inbound.protection.outlook.com mail-bn1pr21cu00204.inbound.protection.outlook.com mail-sj2pr05cu00406.inbound.protection.outlook.com mail-sj0pr02cu00102.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
🔶 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 Records2 records 260ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 151ms

TXT Record
MS=ms78717368
MS=msXXXXXXXX
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

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

🔐 DNSSEC79ms

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

🏷️ SOA37ms

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

52ms

A

31ms

MX

30ms

AAAA

43ms

TXT

151ms

CAA

44ms

HTTPS

28ms

TLSA

485ms

SOA

37ms

MTA-STS

44ms

DNSSEC

79ms

SRV

260ms

Total

1385ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-23 15:39:15	1385ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 10:02:00	1236ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 13:29:05	1168ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 18:52:02	1623ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 09:42:57	3526ms	4 NS 1 A 2 MX	🔒 Secure	View