workbook.dk DNS records

🖥️ Nameservers5 records 139ms

Nameserver	IP addresses	PTR	ASN / ISP
ns0.dnsmadeeasy.com	208.94.148.2 2600:1800::1	ns0.dnsmadeeasy.com ns0.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns1.dnsmadeeasy.com	208.80.124.2 2600:1801:1::1	ns1.dnsmadeeasy.com ns1.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns2.dnsmadeeasy.com	208.80.126.2 2600:1802:2::1	ns2.dnsmadeeasy.com ns2.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns3.dnsmadeeasy.com	208.80.125.2 2600:1801:3::1	ns3.dnsmadeeasy.com ns3.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns4.dnsmadeeasy.com	208.80.127.2 2600:1802:4::1	ns4.dnsmadeeasy.com ns4.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC

🌍 A Records1 records 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.189.66.203	1800s	203.66.189.35.bc.googleusercontent.com	AS396982	Google LLC	35.184.0.0/13	🇬🇧 United Kingdom	City of London

📧 MX Records2 records 138ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mxa-001c5501.gslb.pphosted.com	148.163.158.147	mx0b-001c5501.pphosted.com	AS22843 Proofpoint, Inc.
10	300s	mxb-001c5501.gslb.pphosted.com	148.163.156.150	mx0a-001c5501.pphosted.com	AS26211 Proofpoint, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.39.72

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 154ms

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

📝 TXT Records14 records 335ms

TXT Record
google-site-verification=V4_UaH4yIxZGiaWAdbP5XT3OByiCWPK0jpE8MROs0co
v=DMARC1; p=none;
v=spf1 include:spf.protection.outlook.com include:u938644.wl.sendgrid.net -all
WB=3f4zsVOVmkyAEOIsYBUWQQ
WB=aEaI+G4u80uAWuK7q9SeOw
WB=Cxd6YQkQU0qlVPhGnwup4A
WB=ekpV/vQjtki24c9q2o+O1Q
WB=KS304VAn6UOuXRrRSWArxA
WB=mjcMYnpXv0+SNSnkAD/60g
WB=NO6ePGdFG0q3wUUFYjKMUQ
WB=nZJvJPoUR0CG2Xa7ncD42Q
WB=QoiDS9pM9kK5usmaoZZJJQ
WB=UeBW150/cUCHwP1J/iCxkQ
WB=X3nU3e/Ry0u3Q+SZ2hjq4A

✉️ SPF

Policy	Record (workbook.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:u938644.wl.sendgrid.net -all

📨 DMARC

Policy	Record (_dmarc.workbook.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC288ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA143ms

Field	Value
Serial	2008012027
Primary NS (MNAME)	ns0.dnsmadeeasy.com
Responsible (RNAME)	dns@dnsmadeeasy.com
Refresh	43200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	180s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

139ms

A

114ms

MX

138ms

AAAA

136ms

TXT

335ms

CAA

99ms

HTTPS

104ms

TLSA

401ms

SOA

143ms

MTA-STS

132ms

DNSSEC

288ms

SRV

154ms

Total

2102ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 08:01:00	2525ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-28 05:03:56	1605ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 22:19:49	1613ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-20 22:03:26	2102ms	5 NS 1 A 2 MX	🔓 Insecure	View
2026-06-20 16:09:42	883ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:42:47	1679ms	5 NS 1 A 2 MX	🔓 Insecure	View