tk-steel.dk

📜 Historical scan 2026-06-17 14:36:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tk-steel.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 25 April 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.1 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by tksteel-dk0e.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#

2 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.1	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.1	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	tksteel-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::2 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.68.0 52.101.68.21 52.101.68.29 52.101.68.8	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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

🔷 AAAA Records (IPv6)#

2 records 82ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 72ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBOwAgACAG1eGjqSgaba5UXmh5eE84iX3ffsXq/5DpIUhEmpCbbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

2 records 143ms

TXT Record
MS=ms45301938
v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (tk-steel.dk)
-all (hard fail)	v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.tk-steel.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-22 08:46:15

www	104.21.17.18 172.67.219.144 2606:4700:3036::6815:1112 2606:4700:3037::ac43:db90 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tk-steel.dk: 104.21.17.18 172.67.219.144 2606:4700:3036::6815:1112 2606:4700:3037::ac43:db90 (AS13335) www.tk-steel.dk: 104.21.17.18 172.67.219.144 2606:4700:3036::6815:1112 2606:4700:3037::ac43:db90 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u25329798.wl049.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u25329798.wl049.sendgrid.net	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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

231ms

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

🏷️ SOA#

87ms

Field	Value
Serial	2405121800
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-31 02:34:34

Field	Value
Registrar	Simply.com A/S
Registered	2008-04-25
Expires	2027-04-30 (185d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

68ms

75ms

AAAA

82ms

TXT

143ms

CAA

66ms

HTTPS

72ms

TLSA

236ms

SOA

87ms

MTA-STS

47ms

DNSSEC

231ms

SRV

0ms

Total

4110ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 08:46:15	624ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 19:33:46	1190ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 08:05:33	1731ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 10:44:41	999ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 16:31:34	1497ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 02:34:01	996ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 18:48:24	1443ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 13:57:15	1054ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 17:03:11	6893ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 18:34:52	1154ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 01:38:15	2562ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:36:43 shown	4110ms	2 NS 2 A 1 MX	🔓 Insecure