cssgroup.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsserver.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dnsserver.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.37.84	600s	—	AS3308	Norlys Telco A/S	193.8.36.0/23	🇩🇰 Denmark	Ølstykke

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	cssgroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::3 2a01:111:f403:ca21::c 2a01:111:f403:ca48::c 52.101.185.21 52.101.68.18 52.101.68.29 52.101.73.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.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 44ms

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

📝 TXT Records2 records 123ms

TXT Record
MS=ms41316972
v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -all

✉️ SPF

Policy	Record (cssgroup.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -all

📨 DMARC

Policy	Record (_dmarc.cssgroup.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC57ms

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

🏷️ SOA0ms

Field	Value
Serial	2025122901
Primary NS (MNAME)	ns1.dnsserver.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

28ms

A

34ms

MX

33ms

AAAA

29ms

TXT

123ms

CAA

39ms

HTTPS

33ms

TLSA

366ms

SOA

0ms

MTA-STS

46ms

DNSSEC

57ms

SRV

44ms

Total

807ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 10:13:07	807ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 11:09:39	1350ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 06:03:46	638ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 23:29:09	2203ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 12:32:09	1761ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 16:23:30	3581ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-04 10:48:53	2681ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 19:44:03	872ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 19:29:01	680ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 18:44:40	2681ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 18:33:35	698ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 18:01:34	651ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 15:54:13	718ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 23:08:52	593ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 05:28:48	1617ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:05:06	785ms	2 NS 1 A 1 MX	🔒 Secure	View