code5.dk DNS records

🖥️ Nameservers2 records 46ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.107.224.3	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇮🇪 Ireland	Dublin

📧 MX Records1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	code5-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::26 2a01:111:f403:ca09::c 52.101.103.137 52.101.103.36 52.101.68.0 52.101.68.32	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.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

📝 TXT Records3 records 169ms

TXT Record
d365mktkey=z1miWomOONRYpCMG2DODP8qgMfZkufIsIP8jZS6wcbIx
msfpkey=1zsar4lx7937z17gpc4dtqri0
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (code5.dk)
-all (hard fail)	v=spf1 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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082502
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

46ms

A

42ms

MX

70ms

AAAA

60ms

TXT

169ms

CAA

72ms

HTTPS

68ms

TLSA

1085ms

SOA

0ms

MTA-STS

78ms

DNSSEC

104ms

SRV

107ms

Total

1659ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 14:46:24	1659ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:37:00	1651ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 14:30:15	6448ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 02:30:22	1163ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 08:11:00	1951ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 00:45:07	2990ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:08:27	5124ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 17:53:50	723ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:45:55	1169ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:40:57	749ms	2 NS 1 A 1 MX	🔒 Secure	View