optibiz.dk DNS records

🖥️ Nameservers4 records 33ms

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
ns5.simply.com	—	—	—

🌍 A Records1 records 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.63	3314s	linux118.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records2 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	optibiz-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::28 2a01:111:f403:ca09::8 52.101.68.15 52.101.68.18 52.101.68.36 52.101.73.153	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.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
11	3600s	xxxxx.mail.eo.outlook.com	2a01:111:f403:c803:: 2a01:111:f403:c946::1 2a01:111:f403:f909::3 2a01:111:f403:f909::4 52.101.194.12 52.101.194.3 52.101.41.180 52.101.50.7	mail-bn1pr21cu00200.inbound.protection.outlook.com mail-ch1pr04cu00101.inbound.protection.outlook.com mail-bnypr03cu00103.inbound.protection.outlook.com mail-bn0pr03cu00304.inbound.protection.outlook.com mail-ch0pr04cu00504.inbound.protection.outlook.com mail-ch1pr04cu00103.inbound.protection.outlook.com mail-byapr04cu00204.inbound.protection.outlook.com mail-co1pr21cu00207.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 → 40.104.116.56
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 41ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	10	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 79ms

TXT Record
google-site-verification=QOmC5ix4AwyvCV4M1BTjHPzNhdMpufQaXqsj3-QLVjU
ms83930900
sendinblue-code:0f3d8fdbec125079f2cfe33104f413aa
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (optibiz.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.optibiz.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)

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082500
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

33ms

A

23ms

MX

25ms

AAAA

23ms

TXT

79ms

CAA

28ms

HTTPS

29ms

TLSA

16033ms

SOA

0ms

MTA-STS

36ms

DNSSEC

91ms

SRV

41ms

Total

17336ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 17:16:22	17336ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 20:32:36	5103ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 23:28:41	5040ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 11:38:19	2639ms	4 NS 1 A 2 MX	🔒 Secure	View