123kort.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
erin.ns.cloudflare.com	108.162.192.113 172.64.32.113 173.245.58.113 2606:4700:50::adf5:3a71 2803:f800:50::6ca2:c071 2a06:98c1:50::ac40:2071	erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.173.5.129	60s	server-18-173-5-129.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.13	60s	server-18-173-5-13.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.18	60s	server-18-173-5-18.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.73	60s	server-18-173-5-73.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—

📧 MX Records7 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	142.250.150.27 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b	la-in-f27.1e100.net lo-in-f27.1e100.net lo-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
40	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
50	300s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
60	300s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
70	300s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)8 records 118ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:9000:2574:1600:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:2574:1a00:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:2574:5a00:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:2574:8a00:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:2574:8e00:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:2574:9e00:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:2574:ce00:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:2574:e600:9:308:e9c0:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—

🔐 HTTPS Records1 records 85ms

Priority	Target	SvcParams
1 service	.	alpn="h2,h3"

📝 TXT Records4 records 182ms

TXT Record
google-site-verification=0bPnZWX-hhRR6-u3wacIQxcSebdyeiBSL3nfPXOU5HE
google-site-verification=hh2GVJph-bRZ6jnvSdPstuQkas6qJ3Z3AmIWXNX4xvU
google-site-verification=obxqgk1okhvElVajxbnTSaVoVNysObVQ6GHMuui8lAk
v=spf1 a mx include:spf.mtasv.net include:_spf.google.com include:sendgrid.net ~all

✉️ SPF

Policy	Record (123kort.dk)
~all (soft fail)	v=spf1 a mx include:spf.mtasv.net include:_spf.google.com include:sendgrid.net ~all

📨 DMARC

Policy	Record (_dmarc.123kort.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+ctaxju1mqly@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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)

🔐 DNSSEC2090ms

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	2410252054
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

92ms

MX

38ms

AAAA

118ms

TXT

182ms

CAA

63ms

HTTPS

85ms

TLSA

188ms

SOA

0ms

MTA-STS

82ms

DNSSEC

2090ms

SRV

70ms

Total

3057ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 00:22:53	3057ms	2 NS 4 A 7 MX	🔓 Insecure	View
2026-08-22 10:01:13	20923ms	2 NS 4 A 7 MX	🔓 Insecure	View
2026-07-23 06:39:49	2282ms	2 NS 4 A 7 MX	🔓 Insecure	View
2026-07-06 07:17:30	2082ms	2 NS 4 A 7 MX	🔓 Insecure	View
2026-06-20 18:04:04	1066ms	2 NS 4 A 7 MX	🔓 Insecure	View
2026-06-16 13:20:51	15532ms	2 NS 4 A 7 MX	🔓 Insecure	View
2026-06-16 13:12:42	1027ms	2 NS 4 A 7 MX	🔓 Insecure	View