nerkon.dk DNS records

🖥️ Nameservers5 records 983ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.gransy.com	2001:19f0:5001:1caf:5400:1ff:fec5:8d50 45.76.90.43 77.78.104.149 95.179.136.180	— 45.76.90.43.vultrusercontent.com ns.gransy.com 95.179.136.180.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS15685 CASABLANCA INT a.s. AS20473 The Constant Company, LLC
ns2.gransy.com	2001:19f0:6801:474:5400:1ff:fec5:8efb 2001:19f0:7401:81e0:5400:1ff:fec5:8ef6 217.16.185.221 217.69.4.49 95.179.192.121	— — ns2.gransy.com 217.69.4.49.vultrusercontent.com 95.179.192.121.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS43541 VSHosting s.r.o. AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
ns3.gransy.com	109.74.7.71 2a02:750:7::2e7 2a02:750:8::32 46.21.100.103 77.78.126.35	109-74-7-71-static.glesys.net 2a02-750-7--2e7-static.glesys.net 2a02-750-8--32-static.glesys.net 46-21-100-103-static.glesys.net —	AS42708 Glesys AB AS42708 Glesys AB AS42708 Glesys AB AS42708 Glesys AB AS15685 CASABLANCA INT a.s.
ns4.gransy.com	2001:19f0:5401:69b:5400:1ff:fec5:8f3f 2a00:1a28:2010:1::89 66.42.94.136 80.67.7.209	— 2a00-1a28-2010-1--89-static.glesys.net 66.42.94.136.vultrusercontent.com 80-67-7-209-static.glesys.net	AS20473 The Constant Company, LLC AS42708 Glesys AB AS20473 The Constant Company, LLC AS42708 Glesys AB
ns5.gransy.com	2a02:750:5::538 31.192.227.223	2a02-750-5--538-static.glesys.net 31-192-227-223-static.glesys.net	AS42708 Glesys AB AS42708 Glesys AB

🌍 A Records1 records 248ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.11.227.76	—	backup.antee.cz	AS15685	CASABLANCA INT a.s.	217.11.227.0/24	🇨🇿 Czechia	—

📧 MX Records1 records 886ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.nerkon.dk	185.28.193.11 185.28.193.23 185.28.193.36 185.28.193.37 185.28.193.5 2001:1528:137::f1 82.208.29.194	mail.gransy.cz mail.gransy.cz mail.gransy.cz mail.gransy.cz mail.gransy.cz mail.gransy.com mail.gransy.cz	AS60592 Gransy s.r.o. AS60592 Gransy s.r.o. AS60592 Gransy s.r.o. AS60592 Gransy s.r.o. AS60592 Gransy s.r.o. AS15685 CASABLANCA INT a.s. AS15685 CASABLANCA INT a.s.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 3045ms

TXT Record
v=spf1 a mx include:gransy.com

✉️ SPF

Policy	Record (nerkon.dk)
no all — incomplete SPF	v=spf1 a mx include:gransy.com

📨 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)

🔐 DNSSEC1757ms

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

🏷️ SOA890ms

Field	Value
Serial	2779461746
Primary NS (MNAME)	ns.gransy.com
Responsible (RNAME)	root@gransy.com
Refresh	86400s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

983ms

A

248ms

MX

886ms

AAAA

1055ms

TXT

3045ms

CAA

936ms

HTTPS

577ms

TLSA

2127ms

SOA

890ms

MTA-STS

190ms

DNSSEC

1757ms

SRV

0ms

Total

11253ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:16:14	1629ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 02:16:55	5460ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 19:42:52	44197ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 10:18:49	6065ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:15:11	11253ms	5 NS 1 A 1 MX	🔓 Insecure	View