zapp.dk DNS records

🖥️ Nameservers4 records 48ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	zapp-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca09::3 2a01:111:f403:ca48::8 52.101.68.10 52.101.68.15 52.101.68.16 52.101.73.22	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am7pr05cu00106.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 63ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records6 records 165ms

TXT Record
google-site-verification=MaKG1fmlVxlxYewDkyFvMaaAyIAPmiBjF46jbUgJRJk
google-site-verification=yA5qC0kZjBj7j6kl-16Pcxf6sSPmplgQA99fssqxfwM
klaviyo-site-verification=R2zMXT
klaviyo-site-verification=R4arrA
MS=msXXXXXXXX
v=spf1 ip4:209.42.192.36 ip4:209.42.192.37 include:spf.protection.outlook.com include:spf.simply.com include:_spf.etrack1.com include:_spf.mailersend.net include:spf.adversus.io include:eum85844.mandaa.io -all

✉️ SPF

Policy	Record (zapp.dk)
-all (hard fail)	v=spf1 ip4:209.42.192.36 ip4:209.42.192.37 include:spf.protection.outlook.com include:spf.simply.com include:_spf.etrack1.com include:_spf.mailersend.net include:spf.adversus.io include:eum85844.mandaa.io -all

📨 DMARC

Policy	Record (_dmarc.zapp.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)

🔐 DNSSEC124ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
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

48ms

A

41ms

MX

25ms

AAAA

42ms

TXT

165ms

CAA

32ms

HTTPS

29ms

TLSA

599ms

SOA

0ms

MTA-STS

55ms

DNSSEC

124ms

SRV

63ms

Total

1155ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:26:19	1155ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:33:55	1140ms	4 NS 1 A 1 MX	🔒 Secure	View