steff.dk

Records from scan: 2026-10-06 13:43:10 · 1494ms total · last checked 2026-10-19 08:11 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

steff.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 15 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.178.24.186 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by steff-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	edns1.ultradns.com udns1.cscdns.uk	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	ns2.webipdns.com.au ns2.alba.bank	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.178.24.186	300s	—	AS8075	Microsoft Corporation	52.160.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	steff-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::22 2a01:111:f403:ca21::c 52.101.103.162 52.101.103.39 52.101.73.123 52.101.91.159	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00207.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2603:1020:201:e::c	300s	—	AS8075	Microsoft Corporation	2603:1000:0:0:0:0:0:0/26	🇳🇱 The Netherlands	Amsterdam

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 222ms

TXT Record
MS=ms16117466
v=spf1 ip4:91.239.38.0/23 ip4:50.31.35.114/32 ip4:195.1.188.122/32 include:_netblocks.mimecast.com include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (steff.dk)
~all (soft fail)	v=spf1 ip4:91.239.38.0/23 ip4:50.31.35.114/32 ip4:195.1.188.122/32 include:_netblocks.mimecast.com include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.steff.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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 2026-10-13 01:21:57

www	52.178.24.186 2603:1020:201:e::c (AS8075) (address records, no CNAME)
www vs bare domain	Same network steff.dk: 52.178.24.186 2603:1020:201:e::c (AS8075) www.steff.dk: 52.178.24.186 2603:1020:201:e::c (AS8075)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-steff-dk._domainkey.danishcrown.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-steff-dk._domainkey.danishcrown.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: 10/10 · policy: ~all

warn 10 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#

78ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2018082032
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	10800s
Retry	5400s
Expire	3600000s
Minimum (neg-cache TTL)	14400s

📋 Registration#

WHOIS fetched 2026-10-06 13:49:29

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1997-04-15
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

41ms

AAAA

44ms

TXT

222ms

CAA

42ms

HTTPS

51ms

TLSA

964ms

SOA

53ms

MTA-STS

63ms

DNSSEC

78ms

SRV

107ms

Total

1494ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 13:43:10 shown	1494ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-03 13:06:47	1040ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 21:10:56	1236ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 16:10:51	1675ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-29 08:21:00	1547ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 17:53:21	953ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 05:40:46	907ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:20:28	1922ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 00:33:46	903ms	2 NS 1 A 1 MX	🔓 Insecure