263.dk

📜 Historical scan 2026-10-02 09:24:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

263.dk is a .dk domain served by 2 nameservers (arvind.ns.cloudflare.com, uma.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.233.225.252 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by 263-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
arvind.ns.cloudflare.com	108.162.195.227 162.159.44.227 172.64.35.227 2606:4700:58::a29f:2ce3 2803:f800:50::6ca2:c3e3 2a06:98c1:50::ac40:23e3	arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.233.225.252	300s	static.252.225.233.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.233.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	263-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::e 2a01:111:f403:ca21::c 2a01:111:f403:ca48::10 52.101.209.31 52.101.68.10 52.101.73.123 52.101.73.145	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 178ms

TXT Record
MS=ms64549775
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (263.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.263.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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#

latest probe, not this scan · checked 2026-10-09 00:05:17

www	167.233.225.252 (AS24940) (address records, no CNAME)
www vs bare domain	Same network 263.dk: 167.233.225.252 (AS24940) www.263.dk: 167.233.225.252 (AS24940)
Wildcard	No

✍️ DKIM keys#

4 found

Selector	CNAME	Key
s1	s1.domainkey.u19441480.wl231.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u19441480.wl231.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-263-dk._domainkey.plougmannolsen.n-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-263-dk._domainkey.plougmannolsen.n-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#

67ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

52ms

Field	Value
Serial	2415841905
Primary NS (MNAME)	arvind.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

49ms

33ms

AAAA

34ms

TXT

178ms

CAA

30ms

HTTPS

33ms

TLSA

656ms

SOA

52ms

MTA-STS

44ms

DNSSEC

67ms

SRV

69ms

Total

1058ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 00:05:17	1616ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 09:24:37 shown	1058ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 12:32:15	1348ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 23:42:05	1572ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-16 15:47:47	1286ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-13 02:49:15	1887ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-24 14:42:11	1706ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-28 23:45:23	3459ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 14:52:16	2196ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 01:27:29	2612ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 17:57:34	2190ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 12:24:17	1092ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 08:19:33	910ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 14:56:53	2254ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:57:53	1548ms	2 NS 1 A 1 MX	🔓 Insecure