lerbaek.dk

📜 Historical scan 2026-09-25 06:04:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lerbaek.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.165.249.17 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.improvmx.com, mx2.improvmx.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 42ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.165.249.17	43200s	0x5da5f911.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	93.165.128.0/17	🇩🇰 Denmark	Aarhus

📧 MX Records#

2 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 167ms

TXT Record
hosted-email-verify=y4mbhuih
v=spf1 include:mailgun.org include:_custspf.one.com ~all
zoho-verification=zb15415292.zmverify.zoho.eu

✉️ SPF#

Policy	Record (lerbaek.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:_custspf.one.com ~all

📨 DMARC#

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

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 45ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 07:29:22

www CNAME	lerbaek.dk (all on lerbaek.dk) → 93.165.249.17 (AS3292)
www vs bare domain	Same network lerbaek.dk: 93.165.249.17 (AS3292) www.lerbaek.dk: 93.165.249.17 (AS3292)
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
default	—	RSA · ~1024 bit below 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090901
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 2026-10-11 00:26:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-10-04
Expires	2027-10-31 (368d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

41ms

38ms

AAAA

47ms

TXT

167ms

CAA

45ms

HTTPS

40ms

TLSA

112ms

SOA

0ms

MTA-STS

49ms

DNSSEC

71ms

SRV

53ms

Total

690ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 07:29:22	2992ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-10 23:56:32	2365ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 14:59:14	821ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-25 06:04:34 shown	690ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-11 21:19:50	1111ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-02 00:25:59	1963ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 00:20:59	3037ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-11 20:22:39	7252ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-15 11:01:25	3243ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-12 17:12:18	1965ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-03 01:19:23	916ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 15:33:32	639ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 18:00:48	1688ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 15:06:36	1148ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 06:48:46	706ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-19 17:54:10	2776ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 07:24:27	944ms	2 NS 1 A 2 MX	🔒 Secure