3cplus.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services ns2.dns.services	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.12.150.75	3600s	—	AS31027	GlobalConnect A/S	217.12.144.0/20	🇩🇰 Denmark	Årslev

📧 MX Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3cplus-dk.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.68.27 52.101.68.32 52.101.68.36 52.101.73.24	mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 63ms

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

📝 TXT Records2 records 167ms

TXT Record
MS=ms31609776
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (3cplus.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2022032821
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

41ms

MX

29ms

AAAA

41ms

TXT

167ms

CAA

41ms

HTTPS

31ms

TLSA

301ms

SOA

0ms

MTA-STS

60ms

DNSSEC

96ms

SRV

63ms

Total

840ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 23:55:43	840ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 14:08:35	1374ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 06:39:24	998ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 23:06:44	1289ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:20:05	1107ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:12:58	1842ms	2 NS 1 A 1 MX	🔒 Secure	View