rasmusmadsen.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	43200s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records5 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 74.125.131.27	lt-in-f27.1e100.net lt-in-x1b.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	cname.vercel-dns.com → 76.76.21.164
🔶 Autoconfig	cname.vercel-dns.com → 66.33.60.194

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 243ms

TXT Record
google-site-verification=NnPlSQpDIxV9cB1VMKpXhHwnJ5FXgceH_2VoVBvEtPw
v=spf1 include:servers.mcsv.net ?all

✉️ SPF

Policy	Record (rasmusmadsen.dk)
?all (neutral)	v=spf1 include:servers.mcsv.net ?all

📨 DMARC

Policy	Record (_dmarc.rasmusmadsen.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.rasmusmadsen.dk	cname.vercel-dns.com

🔗 TLSA / DANE

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

🔐 DNSSEC120ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

53ms

MX

76ms

AAAA

54ms

TXT

243ms

CAA

63ms

HTTPS

37ms

TLSA

82ms

SOA

0ms

MTA-STS

127ms

DNSSEC

120ms

SRV

93ms

Total

1036ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:25:12	1036ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-11 22:52:23	1346ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-05 02:54:18	5323ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-18 06:14:25	5269ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-12 09:00:35	3526ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-19 03:25:04	7865ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 11:37:05	1425ms	2 NS 1 A 5 MX	🔒 Secure	View