codeo.dk DNS records

🖥️ Nameservers2 records 39ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.88	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	codeo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 52.101.68.15 52.101.68.5 52.101.73.15 52.101.73.22	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.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
20	3600s	relay.jay.net	86.58.253.10	smtp-cluster.jay.net	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	46.30.215.88

🔷 AAAA Records (IPv6)1 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:c6:e4d0:eb82:1d9b	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 80ms

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

📝 TXT Records3 records 146ms

TXT Record
mpmw5l9y88p9p23n8dw1x20x2p082d8p
MS=ms13563715
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

🔐 DNSSEC100ms

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

🏷️ SOA44ms

Field	Value
Serial	2026061502
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-02 11:56:29

Field	Value
Registrar	ONE.COM A/S
Registered	2008-01-09
Expires	2027-01-31 (150d)

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

34ms

MX

52ms

AAAA

34ms

TXT

146ms

CAA

48ms

HTTPS

38ms

TLSA

494ms

SOA

44ms

MTA-STS

60ms

DNSSEC

100ms

SRV

80ms

Total

1598ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 09:22:44	1703ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:52:12	18967ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 02:36:02	1598ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 12:25:19	959ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 09:51:18	1214ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 17:09:02	1116ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:51:06	1320ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 21:40:59	1015ms	2 NS 1 A 2 MX	🔒 Secure	View