cotton.dk DNS records

🖥️ Nameservers2 records 48ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.107.36.146	43200s	wopr.protovision.co.uk	AS51059	Brightbox Systems Ltd	109.107.32.0/20	🇬🇧 United Kingdom	—

📧 MX Records7 records 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	aspmx.l.google.com	2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b 74.125.205.26	lo-in-x1b.1e100.net lo-in-f27.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	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
20	43200s	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
30	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:1348:ffff:ffff::6d6b:2492	43200s	wopr.protovision.co.uk	AS51059	Brightbox Systems Ltd	2a02:1348:0:0:0:0:0:0/32	🇬🇧 United Kingdom	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 167ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (cotton.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.cotton.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postadmin@cotton.dk; fo=1; pct=100

📬 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)

🔐 DNSSEC110ms

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

48ms

A

44ms

MX

91ms

AAAA

45ms

TXT

167ms

CAA

67ms

HTTPS

45ms

TLSA

314ms

SOA

0ms

MTA-STS

90ms

DNSSEC

110ms

SRV

88ms

Total

1586ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 18:16:58	1586ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-21 10:16:06	9412ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-18 00:47:05	17272ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-13 10:57:32	2123ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-26 15:20:44	1002ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-24 02:31:07	4513ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-22 22:20:28	1117ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:56:16	3541ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-16 22:35:29	918ms	2 NS 1 A 7 MX	🔒 Secure	View