48c.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.149.228.10	3600s	webcluster02.tigermedia.eu	AS48854	team.blue Denmark A/S	185.149.228.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	48c-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 2a01:111:f403:ca09::e 52.101.68.27 52.101.68.29 52.101.68.39 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.40
🔶 Autoconfig	48c.dk → 185.149.228.10

🔷 AAAA Records (IPv6)1 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:1034:9::1	3600s	—	AS48854	team.blue Denmark A/S	2001:67c:1034:0:0:0:0:0/48	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 62ms

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

📝 TXT Records1 records 134ms

TXT Record
v=spf1 include:spf.tigermedia.eu include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (48c.dk)
-all (hard fail)	v=spf1 include:spf.tigermedia.eu 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.48c.dk	48c.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC53ms

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

🏷️ SOA0ms

Field	Value
Serial	2026070101
Primary NS (MNAME)	ns1.curanet.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

29ms

A

26ms

MX

28ms

AAAA

26ms

TXT

134ms

CAA

34ms

HTTPS

28ms

TLSA

828ms

SOA

0ms

MTA-STS

35ms

DNSSEC

53ms

SRV

62ms

Total

1462ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-03 13:59:58	1462ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 13:07:23	976ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:35:00	1127ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 09:19:18	902ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 12:59:42	1703ms	2 NS 1 A 1 MX	🔒 Secure	View