arendtsen.dk

Records from scan: 2026-10-16 02:30:22 · 737ms total · last checked 2026-10-17 03:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arendtsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.255.108.229 is hosted by The Infrastructure Group B.V. (AS60404) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 37ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.255.108.229	3600s	—	AS60404	The Infrastructure Group B.V.	5.255.96.0/19	🇳🇱 The Netherlands	Dronten

📧 MX Records#

7 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 64.233.163.27	lh-in-f27.1e100.net lh-in-x1b.1e100.net lj-in-f27.1e100.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::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	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
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::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.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

🔷 AAAA Records (IPv6)#

1 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a04:52c0:113:9847::1	3600s	—	AS60404	The Infrastructure Group B.V.	2a04:52c0:0:0:0:0:0:0/32	🇳🇱 The Netherlands	Dronten

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 143ms

TXT Record
google-site-verification=NWLvV8StSutPfTezAqfUfK00ZVKjTZ5u2bGSxC7aIDo
keybase-site-verification=jCMDRhdBaONywLyyZjhtFXGu2_M_jq1Ek2FZ8Fx-dHQ
v=spf1 mx a:fw01.arendtsen.dk ip6:2001:67c:25b4::/48 include:aspmx.googlemail.com -all

✉️ SPF#

Policy	Record (arendtsen.dk)
-all (hard fail)	v=spf1 mx a:fw01.arendtsen.dk ip6:2001:67c:25b4::/48 include:aspmx.googlemail.com -all

📨 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

🧩 Web & zone#

checked 2026-10-16 02:30:22

www CNAME	arendtsen.dk (all on arendtsen.dk) → 5.255.108.229 2a04:52c0:113:9847::1 (AS60404)
www vs bare domain	Same network arendtsen.dk: 5.255.108.229 2a04:52c0:113:9847::1 (AS60404) www.arendtsen.dk: 5.255.108.229 2a04:52c0:113:9847::1 (AS60404)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2026101501
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 08:04:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-09-10
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

36ms

38ms

AAAA

39ms

TXT

143ms

CAA

45ms

HTTPS

41ms

TLSA

154ms

SOA

29ms

MTA-STS

47ms

DNSSEC

64ms

SRV

46ms

Total

737ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 02:30:22 shown	737ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-09 13:37:31	3273ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-05 07:23:32	1135ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-26 05:51:24	2669ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-23 22:06:19	2354ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-19 00:17:52	2456ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-11 22:03:50	1296ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-28 02:01:33	1169ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-25 08:11:38	3796ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-22 13:37:41	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:39:15	841ms	2 NS 1 A 7 MX	🔒 Secure