isbak.dk DNS records

🖥️ Nameservers4 records 35ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.135	3600s	linux252.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3164s	isbak-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::5 52.101.68.0 52.101.68.18 52.101.68.32 52.101.68.39	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 88ms

TXT Record
_globalsign-domain-verification=f3qr3qRYsaMkZ_TwFFQ1lwTMR5aYK45uBtgOoLu0QH
MS=ms31543708
v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:localsmtp.web.simply.com ip4:178.209.181.83 -all

✉️ SPF

Policy	Record (isbak.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:localsmtp.web.simply.com ip4:178.209.181.83 -all

📨 DMARC

Policy	Record (_dmarc.isbak.dk)
p=reject	v=DMARC1; p=reject; pct=1; rua=mailto:j7e20lph@ag.eu.dmarcian.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)

🔐 DNSSEC102ms

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

🏷️ SOA27ms

Field	Value
Serial	2026032800
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

35ms

A

29ms

MX

32ms

AAAA

26ms

TXT

88ms

CAA

41ms

HTTPS

40ms

TLSA

202ms

SOA

27ms

MTA-STS

52ms

DNSSEC

102ms

SRV

48ms

Total

776ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 10:23:58	776ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:55:50	2213ms	4 NS 1 A 1 MX	🔒 Secure	View