zenicor.dk DNS records

🖥️ Nameservers4 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1291.awsdns-33.org	205.251.197.11 2600:9000:5305:b00::1	ns-1291.awsdns-33.org ns-1291.awsdns-33.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-2015.awsdns-59.co.uk	205.251.199.223 2600:9000:5307:df00::1	ns-2015.awsdns-59.co.uk ns-2015.awsdns-59.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-451.awsdns-56.com	205.251.193.195 2600:9000:5301:c300::1	ns-451.awsdns-56.com ns-451.awsdns-56.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-826.awsdns-39.net	205.251.195.58 2600:9000:5303:3a00::1	ns-826.awsdns-39.net ns-826.awsdns-39.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records8 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.5.121.52	600s	—	AS16509	Amazon.com, Inc.	3.5.64.0/18	🇩🇪 Germany	Frankfurt am Main
3.5.121.55	600s	—	AS16509	Amazon.com, Inc.	3.5.64.0/18	🇩🇪 Germany	Frankfurt am Main
3.5.122.0	600s	—	AS16509	Amazon.com, Inc.	3.5.64.0/18	🇩🇪 Germany	Frankfurt am Main
3.5.122.34	600s	—	AS16509	Amazon.com, Inc.	3.5.64.0/18	🇩🇪 Germany	Frankfurt am Main
3.5.135.149	600s	s3-website.eu-central-1.amazonaws.com	AS16509	Amazon.com, Inc.	3.5.128.0/17	🇩🇪 Germany	Frankfurt am Main
3.5.138.195	600s	s3-w.eu-central-1.amazonaws.com	AS16509	Amazon.com, Inc.	3.5.128.0/17	🇩🇪 Germany	Frankfurt am Main
52.219.171.236	600s	s3-website.eu-central-1.amazonaws.com	AS16509	Amazon.com, Inc.	52.216.0.0/14	🇩🇪 Germany	Frankfurt am Main
52.219.171.76	600s	s3-website.eu-central-1.amazonaws.com	AS16509	Amazon.com, Inc.	52.216.0.0/14	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	zenicor-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.21 52.101.73.153 52.101.73.22 52.101.73.24	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 636ms

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

📝 TXT Records2 records 220ms

TXT Record
MS=ms67453626
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.zenicor.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@zenicor.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)

🔐 DNSSEC79ms

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

🏷️ SOA36ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-451.awsdns-56.com
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

35ms

MX

50ms

AAAA

228ms

TXT

220ms

CAA

60ms

HTTPS

73ms

TLSA

293ms

SOA

36ms

MTA-STS

39ms

DNSSEC

79ms

SRV

636ms

Total

1532ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-21 03:46:29	1532ms	4 NS 8 A 1 MX	🔓 Insecure	View
2026-06-19 14:29:08	2130ms	4 NS 8 A 1 MX	🔓 Insecure	View
2026-06-18 04:57:40	1295ms	4 NS 8 A 1 MX	🔓 Insecure	View