arenanord.dk DNS records

🖥️ Nameservers2 records 99ms

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 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.154.92	600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	arenanord-dk.o-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca09::26 2a01:111:f403:ca09::4 52.101.68.3 52.101.68.5 52.101.73.126 52.101.73.30	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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	213.184.85.15

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 168ms

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

📝 TXT Records2 records 343ms

TXT Record
apple-domain-verification=BX4qpH2LwJOGoqRQ
v=spf1 ip4:91.236.186.0/24 ip4:195.249.85.55 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.mailjet.com -all

✉️ SPF

Policy	Record (arenanord.dk)
-all (hard fail)	v=spf1 ip4:91.236.186.0/24 ip4:195.249.85.55 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.mailjet.com -all

📨 DMARC

Policy	Record (_dmarc.arenanord.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email;

📬 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 / DANE4 records 284ms

Service / Owner	Type	Cert association
SMTP _25._tcp.arenanord-dk.o-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.arenanord-dk.o-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.arenanord-dk.o-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.arenanord-dk.o-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC232ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

99ms

A

99ms

MX

99ms

AAAA

71ms

TXT

343ms

CAA

77ms

HTTPS

71ms

TLSA

284ms

SOA

0ms

MTA-STS

168ms

DNSSEC

232ms

SRV

168ms

Total

3329ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:02:45	3329ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 08:23:47	2878ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 18:22:30	1092ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 00:36:31	25354ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 01:21:25	730ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:49:14	1935ms	2 NS 1 A 1 MX	🔒 Secure	View