steffca.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
donald.ns.cloudflare.com	108.162.193.158 172.64.33.158 173.245.59.158 2606:4700:58::adf5:3b9e 2803:f800:50::6ca2:c19e 2a06:98c1:50::ac40:219e	donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peaches.ns.cloudflare.com	108.162.194.239 162.159.38.239 172.64.34.239 2606:4700:50::a29f:26ef 2803:f800:50::6ca2:c2ef 2a06:98c1:50::ac40:22ef	peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.236.128.45	—	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	steffca-dk.l-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 52.101.68.0 52.101.68.27 52.101.73.16 52.101.73.28	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.98.16.99

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 142ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 188ms

TXT Record
MS=ms33543641
v=spf1 ip4:212.98.75.138 ip4:80.208.1.246 include:spf.protection.outlook.com include:spfrerouting.xink.io ~all

✉️ SPF

Policy	Record (steffca.dk)
~all (soft fail)	v=spf1 ip4:212.98.75.138 ip4:80.208.1.246 include:spf.protection.outlook.com include:spfrerouting.xink.io ~all

📨 DMARC

Policy	Record (_dmarc.steffca.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:2c6423c6@in.mailhardener.com

📬 MTA-STS245ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20190601000000Z
max_age	604800s
Policy MX	steffca-dk.l-v1.mx.microsoft

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@in.mailhardener.com

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE6 records 127ms

Service / Owner	Type	Cert association
SMTP _25._tcp.steffca-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.steffca-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.steffca-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.steffca-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.steffca-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.steffca-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…

🔐 DNSSEC74ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA37ms

Field	Value
Serial	2407017837
Primary NS (MNAME)	donald.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

35ms

MX

60ms

AAAA

57ms

TXT

188ms

CAA

36ms

HTTPS

41ms

TLSA

127ms

SOA

37ms

MTA-STS

245ms

DNSSEC

74ms

SRV

142ms

Total

1082ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 14:05:53	9427ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 02:05:39	7638ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 03:47:14	1334ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 18:17:37	49809ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 12:36:14	1564ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 00:46:03	900ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 23:48:27	906ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 03:12:33	1082ms	2 NS 1 A 1 MX	🔒 Secure	View