seldenmast.dk

📜 Historical scan 2026-06-20 00:09:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

seldenmast.dk is a .dk domain served by 4 nameservers (ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org and 1 more). It was registered on 9 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.136.57.250 is hosted by Bahnhof AB (AS8473) in Sweden. Mail is handled by seldenmast-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#

4 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-08.azure-dns.com	13.107.236.8 2603:1061:0:700::8	ns1-08.azure-dns.com ns1-08.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-08.azure-dns.net	150.171.21.8 2620:1ec:8ec:700::8	ns2-08.azure-dns.net ns2-08.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-08.azure-dns.org	204.14.183.8 2a01:111:4000:700::8	ns3-08.azure-dns.org ns3-08.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-08.azure-dns.info	208.84.5.8 2620:1ec:bda:700::8	ns4-08.azure-dns.info ns4-08.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.136.57.250	14400s	250.248-28.136.213.in-addr.arpa	AS8473	Bahnhof AB	213.136.32.0/19	🇸🇪 Sweden	—

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	seldenmast-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::6 2a01:111:f403:ca04::e 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.27 52.101.73.12 52.101.73.24	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.101.112.73

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 162ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 276ms

TXT Record
hWeNqxxR2SST2rl/2BY6Wsj7jh4q+mU2XtwZvOStMQE3B3Qn6pBgDCkpjXQx3MyYNl6KPJmo71wR4bYs8oZ1OA==
MS=ms47288124
v=spf1 include:spf.protection.outlook.com ip4:213.136.57.250 -all

✉️ SPF#

Policy	Record (seldenmast.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:213.136.57.250 -all

📨 DMARC#

Policy	Record (_dmarc.seldenmast.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-reports@Selden.onmicrosoft.com

📬 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 2026-10-12 22:01:22

www	213.136.57.250 (AS8473) (address records, no CNAME)
www vs bare domain	Same network seldenmast.dk: 213.136.57.250 (AS8473) www.seldenmast.dk: 213.136.57.250 (AS8473)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-seldenmast-dk._domainkey.selden.onmicrosoft.com	RSA · ~1024 bit below 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#

139ms

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

🏷️ SOA#

63ms

Field	Value
Serial	2026042201
Primary NS (MNAME)	ns1-08.azure-dns.com
Responsible (RNAME)	systeminfo@helpdesk.webland.se
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-22 00:43:21

Field	Value
Registrar	Name SRS AB
Registered	1999-11-09
Expires	2026-12-31 (68d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
furlex.dk	Name SRS AB

📋 WHOIS#

⏱️ Lookup Timing#

61ms

56ms

52ms

AAAA

67ms

TXT

276ms

CAA

58ms

HTTPS

54ms

TLSA

258ms

SOA

63ms

MTA-STS

88ms

DNSSEC

139ms

SRV

162ms

Total

1096ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-22 11:42:49	984ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 17:20:44	1063ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 00:09:52 shown	1096ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-19 13:29:47	1129ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-17 13:51:02	3263ms	4 NS 1 A 1 MX	🔓 Insecure