steel4u.dk

Records from scan: 2026-09-24 00:38:03 · 2655ms total · last checked 2026-10-17 13:50 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

steel4u.dk is a .dk domain served by 2 nameservers (alfred.ns.cloudflare.com, isla.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.30 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by steel4u-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
alfred.ns.cloudflare.com	108.162.195.131 162.159.44.131 172.64.35.131 2606:4700:58::a29f:2c83 2803:f800:50::6ca2:c383 2a06:98c1:50::ac40:2383	alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
isla.ns.cloudflare.com	108.162.192.119 172.64.32.119 173.245.58.119 2606:4700:50::adf5:3a77 2803:f800:50::6ca2:c077 2a06:98c1:50::ac40:2077	isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.30	300s	vm1330.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	steel4u-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 2a01:111:f403:ca48::8 52.101.103.137 52.101.103.39 52.101.181.153 52.101.91.162	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.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 → 40.104.116.40
🔶 Autoconfig	185.21.40.30

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 204ms

TXT Record
MS=ms19447698
v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (steel4u.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk include:web.shared.mysmtp.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-11 05:34:32

www	185.21.40.30 (AS48854) (address records, no CNAME)
www vs bare domain	Same network steel4u.dk: 185.21.40.30 (AS48854) www.steel4u.dk: 185.21.40.30 (AS48854)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2066ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415542645
Primary NS (MNAME)	alfred.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#

40ms

46ms

44ms

AAAA

42ms

TXT

204ms

CAA

33ms

HTTPS

46ms

TLSA

183ms

SOA

0ms

MTA-STS

61ms

DNSSEC

2066ms

SRV

69ms

Total

2655ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 00:38:03 shown	2655ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 12:35:42	1418ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 16:01:18	1763ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 11:28:49	766ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 18:42:02	1415ms	2 NS 1 A 1 MX	❓ Unknown
2026-07-01 06:06:55	1164ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 16:12:41	1798ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 21:56:59	1180ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 05:26:29	815ms	2 NS 1 A 1 MX	🔓 Insecure