bookalook.dk DNS records

🖥️ Nameservers4 records 177ms

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 134ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.196.98.161	3600s	ec2-18-196-98-161.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	18.192.0.0/13	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 174ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bookalook-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca04::f 2a01:111:f403:ca09::e 52.101.68.16 52.101.68.29 52.101.73.16 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 585ms

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

📝 TXT Records2 records 2155ms

TXT Record
MS=ms73496557
v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.bookalook.dk)
p=reject	v=DMARC1; p=reject; pct=100;rua=mailto:alert@bookalook.dk;ruf=mailto:alert@bookalook.dk

📬 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)

🔐 DNSSEC1269ms

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

🏷️ SOA468ms

Field	Value
Serial	2024080600
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

177ms

A

134ms

MX

174ms

AAAA

499ms

TXT

2155ms

CAA

585ms

HTTPS

271ms

TLSA

510ms

SOA

468ms

MTA-STS

183ms

DNSSEC

1269ms

SRV

585ms

Total

8920ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-20 14:09:36	8920ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 15:55:54	778ms	4 NS 1 A 1 MX	🔒 Secure	View