selektro.dk

Records from scan: 2026-10-03 09:05:25 · 1216ms total · last checked 2026-10-17 15:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

selektro.dk is a .dk domain served by 2 nameservers (ns1.nrd.dk, ns2.nrd.dk). It was registered on 14 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.171 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by selektro-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nrd.dk	208.94.148.4	ns10.dnsmadeeasy.com	AS16552 Tiggee LLC
ns2.nrd.dk	208.80.124.4	ns11.dnsmadeeasy.com	AS16552 Tiggee LLC

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.171	3600s	prolinux3.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	selektro-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::a 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::6 52.101.185.114 52.101.185.24 52.101.209.28 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 217ms

TXT Record
MS=ms62984184
v=spf1 a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.centerasecurity.dk -all

✉️ SPF#

Policy	Record (selektro.dk)
-all (hard fail)	v=spf1 a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.centerasecurity.dk -all

📨 DMARC#

Policy	Record (_dmarc.selektro.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:DMARC@selektro.dk; ruf=mailto:DMARC@selektro.dk; sp=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#

checked 2026-10-10 21:48:44

www	185.21.41.171 (AS48854) (address records, no CNAME)
www vs bare domain	Same network selektro.dk: 185.21.41.171 (AS48854) www.selektro.dk: 185.21.41.171 (AS48854)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-selektro-dk._domainkey.selektrodk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-selektro-dk._domainkey.selektrodk.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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2009010162
Primary NS (MNAME)	ns10.dnsmadeeasy.com
Responsible (RNAME)	dns@dnsmadeeasy.com
Refresh	43200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	180s

📋 Registration#

WHOIS fetched 2026-10-06 15:19:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-04-14
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

22ms

36ms

65ms

AAAA

35ms

TXT

217ms

CAA

44ms

HTTPS

47ms

TLSA

726ms

SOA

35ms

MTA-STS

66ms

DNSSEC

64ms

SRV

79ms

Total

1216ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 09:05:25 shown	1216ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 09:04:19	6103ms	2 NS 0 A 0 MX	❓ Unknown
2026-10-01 06:54:03	1202ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 10:12:15	2821ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 19:07:05	25106ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 00:38:11	846ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 02:36:01	2436ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 06:10:41	1540ms	2 NS 1 A 1 MX	🔓 Insecure