coupledesign.dk DNS records

🖥️ Nameservers2 records 52ms

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 2044ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.196.224	3598s	—	AS51468	One.com A/S	91.221.196.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records5 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c22::1b	lr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	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
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	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	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	91.221.196.224
🔶 Autoconfig	91.221.196.224

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 221ms

TXT Record
google-site-verification=WRuIeIDDNxBujPGKhCBcSuHquXYfJ7ikfBe_nCTbWJ0

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC129ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081301
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

52ms

A

2044ms

MX

73ms

AAAA

61ms

TXT

221ms

CAA

72ms

HTTPS

57ms

TLSA

114ms

SOA

0ms

MTA-STS

97ms

DNSSEC

129ms

SRV

88ms

Total

2737ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:28:08	2737ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-26 23:42:55	650ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-14 00:06:32	18576ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-27 09:44:45	7111ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-17 08:49:07	9133ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-15 11:53:46	1050ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 14:45:39	554ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-16 22:36:14	733ms	2 NS 1 A 5 MX	🔒 Secure	View