efsivholm.dk

📜 Historical scan 2026-08-27 20:03:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

efsivholm.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 12 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.121 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.efsivholm.dk, backup-mx.zitcom.dk. The zone is not DNSSEC-signed, has no 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.121	3600s	—	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.efsivholm.dk	80.160.71.163	mail1.curanet.dk	AS3292 TDC Holding A/S
20	3600s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.21.40.121
🔶 Autoconfig	185.21.40.121

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 10:19:28

www	185.21.40.121 (AS48854) (address records, no CNAME)
www vs bare domain	Same network efsivholm.dk: 185.21.40.121 (AS48854) www.efsivholm.dk: 185.21.40.121 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

137ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2022021701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-25 16:07:18

Field	Value
Registrar	Simply.com A/S
Registered	2017-09-12
Expires	2027-09-30 (338d)

🔗 Same registrant#

17 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
anloebet.dk	Simply.com A/S
anløbet.dk	Simply.com A/S
business-center.dk	Simply.com A/S
danerreal.dk	Simply.com A/S
eftangholm.dk	Simply.com A/S
engholmene-business.dk	Simply.com A/S
engholmene-businesscenter.dk	Simply.com A/S
fuglekvarteret.dk	Simply.com A/S
geppetto.dk	Simply.com A/S
ghvejle.dk	Simply.com A/S
gribskov-ejendomsinvestering.dk	Simply.com A/S
klase.dk	Simply.com A/S
mitnpv.dk	Simply.com A/S
nachbar.dk	Simply.com A/S
restaurantherkomst.dk	Simply.com A/S
stableskontor.dk	Simply.com A/S
thurinerhusene.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

37ms

36ms

42ms

AAAA

53ms

TXT

175ms

CAA

50ms

HTTPS

84ms

TLSA

68ms

SOA

0ms

MTA-STS

111ms

DNSSEC

137ms

SRV

92ms

Total

720ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:46:20	366ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-27 11:34:16	2539ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 20:03:27 shown	720ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 02:45:30	2286ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-24 13:10:17	892ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-21 22:01:16	650ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 06:24:33	11607ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 06:19:21	1997ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 06:03:16	492ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 06:00:50	660ms	2 NS 1 A 2 MX	🔓 Insecure