sahlertz.dk DNS records

🖥️ Nameservers3 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.196.101.130	600s	—	AS3292	TDC Holding A/S	80.196.0.0/14	🇩🇰 Denmark	Roskilde

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	sahlertz-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 52.101.68.10 52.101.73.15 52.101.73.16 52.101.73.26	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.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	93.191.156.92
🔶 Autoconfig	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 44ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records1 records 127ms

TXT Record
v=spf1 include:spf.protection.outlook.com

✉️ SPF

Policy	Record (sahlertz.dk)
no all — incomplete SPF	v=spf1 include:spf.protection.outlook.com

📨 DMARC

Policy	Record (_dmarc.sahlertz.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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)

🔐 DNSSEC51ms

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

🏷️ SOA35ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

27ms

MX

45ms

AAAA

46ms

TXT

127ms

CAA

44ms

HTTPS

26ms

TLSA

247ms

SOA

35ms

MTA-STS

43ms

DNSSEC

51ms

SRV

44ms

Total

813ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-30 09:36:41	813ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 16:58:06	1878ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 16:00:07	1560ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 18:49:04	1679ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 00:37:09	1022ms	3 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-17 11:33:08	771ms	3 NS 1 A 1 MX	🔒 Secure	View