arena-x.dk

Records from scan: 2026-10-03 22:20:18 · 1324ms total · last checked 2026-10-16 13:22 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arena-x.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.95.64 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by arenax-dk01c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.95.64	3600s	dedi7385.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arenax-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::28 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.103.140 52.101.185.114 52.101.68.15 52.101.91.162	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-matpr04cu00302.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	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 78ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 182ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.arena-x.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:forstander@arena-x.dk; ruf=mailto:forstander@arena-x.dk; fo=1

📬 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

🧩 Web & zone#

checked 2026-10-03 22:20:18

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-arenax-dk01c._domainkey.arenaherningdk.r-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-arenax-dk01c._domainkey.arenaherningdk.r-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

54ms

61ms

41ms

AAAA

67ms

TXT

182ms

CAA

57ms

HTTPS

64ms

TLSA

506ms

SOA

51ms

MTA-STS

78ms

DNSSEC

106ms

SRV

78ms

Total

1324ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 22:20:18 shown	1324ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:52:03	661ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:45:13	730ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-19 06:44:20	4566ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 22:59:56	963ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:59:41	875ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:39:04	816ms	3 NS 1 A 1 MX	🔒 Secure