cdel.dk DNS records

🖥️ Nameservers2 records 96ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 133ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cdel-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca09::20 2a01:111:f403:ca09::7 52.101.181.153 52.101.68.0 52.101.68.8 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.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
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 218ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 337ms

TXT Record
MS=ms53543776
v=spf1 include:spf.protection.outlook.com include:spf.hosit.dk -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cdel.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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)

🔐 DNSSEC229ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082804
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

96ms

A

97ms

MX

133ms

AAAA

122ms

TXT

337ms

CAA

136ms

HTTPS

138ms

TLSA

431ms

SOA

0ms

MTA-STS

153ms

DNSSEC

229ms

SRV

218ms

Total

1604ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 04:35:17	1604ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 00:40:00	1412ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 12:28:24	9082ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 13:45:09	23659ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 11:20:55	2827ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 19:14:01	1124ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 13:39:13	1677ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:55:18	799ms	2 NS 1 A 1 MX	🔒 Secure	View