derva.dk

📜 Historical scan 2026-06-20 03:26:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

derva.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.73.138 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

1 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 Records#

1 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 Records#

1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 00:54:06

www	49.12.73.138 (AS24940) (address records, no CNAME)
www vs bare domain	Same network derva.dk: 49.12.73.138 (AS24940) www.derva.dk: 49.12.73.138 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

153ms

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

🏷️ SOA#

86ms

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#

WHOIS fetched 2026-10-05 00:15:24

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-28
Expires	2027-05-27 (219d)

📋 WHOIS#

⏱️ Lookup Timing#

83ms

56ms

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
2026-10-04 23:49:40	1156ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:28:50	807ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 02:29:33	1072ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 10:29:10	1319ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 11:46:21	490ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 08:40:55	5265ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 01:24:06	1434ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 05:50:04	1850ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 18:21:11	7514ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 13:01:03	3829ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 21:02:43	956ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 09:54:56	1645ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 03:26:31 shown	2032ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 02:10:05	708ms	2 NS 1 A 1 MX	🔒 Secure