r3c.dk DNS records

🖥️ Nameservers4 records 85ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nhl-data.dk	185.136.96.11 2a06:fb00:1::1:11	ns1.nhl-data.dk ns1.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.nhl-data.dk	185.136.97.11 2a06:fb00:1::2:11	ns2.nhl-data.dk ns2.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.nhl-data.dk	185.136.98.11 2a06:fb00:1::3:11	ns3.nhl-data.dk ns3.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.nhl-data.dk	185.136.99.11 2a06:fb00:1::4:11	ns4.nhl-data.dk ns4.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.236.62.147	3600s	147.62.236.23.bc.googleusercontent.com	AS396982	Google LLC	23.236.48.0/20	🇺🇸 United States	Council Bluffs
87.116.7.49	3600s	—	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	r3c-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca09::6 52.101.68.12 52.101.68.15 52.101.73.12 52.101.73.15	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 626ms

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

📝 TXT Records2 records 321ms

TXT Record
MS=ms58960857
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (r3c.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.r3c.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC127ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2024090401
Primary NS (MNAME)	ns1.nhl-data.dk
Responsible (RNAME)	hostmaster@nhl-data.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

85ms

A

49ms

MX

65ms

AAAA

85ms

TXT

321ms

CAA

81ms

HTTPS

68ms

TLSA

317ms

SOA

0ms

MTA-STS

113ms

DNSSEC

127ms

SRV

626ms

Total

1626ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:11:17	1626ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-07-04 22:30:50	4125ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 06:15:00	1713ms	4 NS 2 A 1 MX	⚠️ Bogus	View