cederholm.dk DNS records

🖥️ Nameservers4 records 47ms

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 Records1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.7.39	3600s	nhllin24.nhl-data.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cederholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.12 52.101.68.8 52.101.73.11 52.101.73.19	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 102ms

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

📝 TXT Records2 records 238ms

TXT Record
MS=ms23456608
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cederholm.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)

🔐 DNSSEC100ms

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

47ms

A

48ms

MX

39ms

AAAA

53ms

TXT

238ms

CAA

54ms

HTTPS

52ms

TLSA

311ms

SOA

0ms

MTA-STS

95ms

DNSSEC

100ms

SRV

102ms

Total

1033ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 19:41:35	1033ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 00:23:14	934ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:51:31	19898ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:07:01	522ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:01:07	729ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:00:07	1825ms	4 NS 1 A 1 MX	🔓 Insecure	View