derva.dk DNS records

🖥️ Nameservers2 records 83ms

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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.73.138	3600s	static.138.73.12.49.clients.your-server.de	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	173.194.73.26 173.194.73.27 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c08::1a 2a00:1450:4010:c08::1a 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 64.233.164.26 64.233.164.27 64.233.165.27	lq-in-f26.1e100.net lq-in-f27.1e100.net lf-in-f26.1e100.net lf-in-x1a.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lg-in-f26.1e100.net lg-in-x1a.1e100.net lq-in-f26.1e100.net lq-in-x1a.1e100.net lf-in-f26.1e100.net lf-in-f27.1e100.net lg-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 251ms

TXT Record
google-site-verification=MdAklxd2cdsXluP9SktKl23V-av7F1pHxXThn8jny0s

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.derva.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

🔗 TLSA / DANE

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

🔐 DNSSEC153ms

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

🏷️ SOA86ms

Field	Value
Serial	2026061001
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

83ms

A

56ms

MX

71ms

AAAA

74ms

TXT

251ms

CAA

84ms

HTTPS

80ms

TLSA

1538ms

SOA

86ms

MTA-STS

107ms

DNSSEC

153ms

SRV

160ms

Total

2032ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 08:40:55	5265ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 01:24:06	1434ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 05:50:04	1850ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 18:21:11	7514ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:01:03	3829ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 21:02:43	956ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 09:54:56	1645ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 03:26:31	2032ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 02:10:05	708ms	2 NS 1 A 1 MX	🔒 Secure	View