steeltec.dk

📜 Historical scan 2026-06-23 13:56:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

steeltec.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 16 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.31 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by steeltec-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

3 records 148ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	167.235.66.236 2a01:4f8:1c1e:d097::1	ns5.chosting.dk ns5.chosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns6.chosting.dk	2001:41d0:305:2100::80e9 51.91.57.33	ns6.chosting.dk ns6.chosting.dk	AS16276 OVH SAS AS16276 OVH SAS
ns7.chosting.dk	178.20.220.33	ns7.chosting.dk	AS21060 Atea A/S

🌍 A Records#

1 records 163ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.31	14400s	server12.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 226ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	steeltec-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 52.101.68.32 52.101.73.2 52.101.73.28 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 52.98.149.152
🔶 Autoconfig	178.20.216.31

🔷 AAAA Records (IPv6)#

1 records 154ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:a	14400s	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 231ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 410ms

TXT Record
apple-domain-verification=M1lMALNgRiCXWOhN
MS=ms42508674
v=spf1 ip4:178.20.216.31 include:spf.chosting.dk ip4:5.186.225.20 ip4:5.103.184.227 ip4:178.20.216.32 mx:steeltec.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (steeltec.dk)
-all (hard fail)	v=spf1 ip4:178.20.216.31 include:spf.chosting.dk ip4:5.186.225.20 ip4:5.103.184.227 ip4:178.20.216.32 mx:steeltec.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.steeltec.dk)
p=reject	v=DMARC1; p=reject; 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 02:45:07

www CNAME	steeltec.dk (all on steeltec.dk) → 178.20.216.31 2a01:7cc0:101:ffff::1:a (AS21060)
www vs bare domain	Same network steeltec.dk: 178.20.216.31 2a01:7cc0:101:ffff::1:a (AS21060) www.steeltec.dk: 178.20.216.31 2a01:7cc0:101:ffff::1:a (AS21060)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
selector1	selector1-steeltec-dk._domainkey.steeltecodense.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-steeltec-dk._domainkey.steeltecodense.onmicrosoft.com	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: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.steeltec.dk	tO_nAPXTMhKmheJiUZopoqEBJmjMuWKz9UDdlrYVMBA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

239ms

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

🏷️ SOA#

202ms

Field	Value
Serial	2026051001
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	logs@chosting.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-11 13:44:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-10-16
Expires	2026-12-31 (68d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

148ms

163ms

226ms

AAAA

154ms

TXT

410ms

CAA

219ms

HTTPS

229ms

TLSA

207ms

SOA

202ms

MTA-STS

227ms

DNSSEC

239ms

SRV

231ms

Total

1421ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 02:45:07	1303ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-16 12:24:45	1266ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-02 07:41:27	1008ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-07 10:00:01	11232ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-11 23:34:58	2300ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 04:40:47	10537ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 13:56:25 shown	1421ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 11:28:25	1103ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 12:59:27	729ms	3 NS 1 A 1 MX	🔓 Insecure