by-kort.dk DNS records

🖥️ Nameservers2 records 182ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.abovedomains.com	103.224.182.77 103.224.182.85 103.224.182.9 103.224.212.9	ns1.above.com ns1.above.com ns1.above.com ns1.above.com	AS133618 Trellian Pty. Limited AS133618 Trellian Pty. Limited AS133618 Trellian Pty. Limited AS133618 Trellian Pty. Limited
ns2.abovedomains.com	103.224.182.10 103.224.212.10 103.224.212.51 103.224.212.53	ns2.above.com ns2.above.com ns2.above.com ns2.above.com	AS133618 Trellian Pty. Limited AS133618 Trellian Pty. Limited AS133618 Trellian Pty. Limited AS133618 Trellian Pty. Limited

🌍 A Records1 records 184ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
103.224.182.253	3600s	lb-182-253.above.com	AS133618	Trellian Pty. Limited	103.224.182.0/23	🇺🇸 United States	San Diego

📧 MX Records1 records 181ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	park-mx.above.com	103.224.212.34	park-mx.above.com	AS133618 Trellian Pty. Limited

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	103.224.182.253
🔶 Autoconfig	103.224.182.253

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 2078ms

TXT Record
v=spf1 ip6:fdcf:abda:4154::/48 -all

✉️ SPF

Policy	Record (by-kort.dk)
-all (hard fail)	v=spf1 ip6:fdcf:abda:4154::/48 -all

📨 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.by-kort.dk	7ffbf16dddb9772bcaf960a1d7e75088.acme.above.com

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC364ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090109
Primary NS (MNAME)	ns1.abovedomains.com
Responsible (RNAME)	hostmaster@trellian.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

182ms

A

184ms

MX

181ms

AAAA

345ms

TXT

2078ms

CAA

355ms

HTTPS

364ms

TLSA

679ms

SOA

0ms

MTA-STS

529ms

DNSSEC

364ms

SRV

691ms

Total

4523ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 01:45:09	4523ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 16:15:51	3186ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 14:48:42	3347ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 03:47:18	3140ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 02:28:33	3281ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 22:16:52	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 20:14:53	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 19:40:55	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 19:30:17	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 19:14:57	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 19:11:22	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-15 23:26:40	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 08:22:25	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-12 21:59:31	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 14:15:57	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 12:11:10	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 03:24:58	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-07 18:23:11	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-05 06:26:15	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 20:21:55	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 19:42:56	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 19:32:05	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 19:22:17	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 17:35:33	65535ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 14:31:16	65535ms	2 NS 0 A 0 MX	❓ Unknown	View