bookmail.dk DNS records

🖥️ Nameservers4 records 43ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.155	3600s	linux139.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bookmail-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 52.101.68.39 52.101.73.1 52.101.73.16 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.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	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	94.231.103.155

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 148ms

TXT Record
MS=ms50663833
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2023022201
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

43ms

A

44ms

MX

42ms

AAAA

39ms

TXT

148ms

CAA

49ms

HTTPS

37ms

TLSA

631ms

SOA

0ms

MTA-STS

65ms

DNSSEC

90ms

SRV

76ms

Total

1163ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:16:10	1163ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 16:56:28	838ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:57:03	1183ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 17:25:51	1289ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 16:10:45	1908ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 16:09:15	1265ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 16:04:53	4812ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 16:01:13	1644ms	4 NS 1 A 1 MX	🔒 Secure	View