steff.dk DNS records

🖥️ Nameservers2 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	ns1.webipdns.com.au udns1.cscdns.uk	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	edns1.ultradns.org edns1.ultradns.org	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records1 records 131ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
204.74.99.103	300s	—	AS19905	Vercara, LLC	204.74.99.0/24	🇺🇸 United States	—

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	steff-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::b 2a01:111:f403:ca09::4 2a01:111:f403:ca09::8 52.101.68.18 52.101.68.5 52.101.73.26 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.8
🔶 Autoconfig	204.74.99.103

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 311ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC145ms

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

🏷️ SOA59ms

Field	Value
Serial	2018082029
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	10800s
Retry	5400s
Expire	3600000s
Minimum (neg-cache TTL)	14400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

59ms

A

131ms

MX

59ms

AAAA

57ms

TXT

311ms

CAA

43ms

HTTPS

45ms

TLSA

758ms

SOA

59ms

MTA-STS

53ms

DNSSEC

145ms

SRV

95ms

Total

1547ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-29 08:21:00	1547ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 17:53:21	953ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 05:40:46	907ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:20:28	1922ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 00:33:46	903ms	2 NS 1 A 1 MX	🔓 Insecure	View