elektro-isola.dk

Records from scan: 2026-10-24 23:24:17 · 1755ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

elektro-isola.dk is a .dk domain served by 2 nameservers (aspen.ns.cloudflare.com, ernest.ns.cloudflare.com). It was registered on 7 August 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.31 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by elektroisola-dk01i.mail.eo.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 24ms

Nameserver	IP addresses	PTR	ASN / ISP
aspen.ns.cloudflare.com	108.162.194.109 162.159.38.109 172.64.34.109 2606:4700:50::a29f:266d 2803:f800:50::6ca2:c26d 2a06:98c1:50::ac40:226d	aspen.ns.cloudflare.com aspen.ns.cloudflare.com aspen.ns.cloudflare.com aspen.ns.cloudflare.com aspen.ns.cloudflare.com aspen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ernest.ns.cloudflare.com	108.162.193.164 172.64.33.164 173.245.59.164 2606:4700:58::adf5:3ba4 2803:f800:50::6ca2:c1a4 2a06:98c1:50::ac40:21a4	ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.31	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.72	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	elektroisola-dk01i.mail.eo.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::9 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::8 52.101.209.153 52.101.68.39 52.101.73.123 52.101.73.155	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

2 records 25ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:a148	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:f1f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.31,172.67.161.72 ech=AEX+DQBBZgAgACApb3JT76qewKM/edbD3uLiS9G6SfEgTImR9PMGLHEkGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a148,2606:4700:3037::6815:f1f

🔌 SRV Records#

1 records 54ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 124ms

TXT Record
_globalsign-domain-verification=Go7LRF4551nCghg5B7b5RfGbBWq7chZmW9l3LHhEH1
_globalsign-domain-verification=Xk7Zuk3cJvruvpdJzJQkdbVXSnxPpAKHbpcyv5cTRJ
apple-domain-verification=hGUoFElkEkmHtTmZ
v=spf1 include:spf.protection.outlook.com include:_spf.eu.messagegears.net include:_spf.emply.com include:spf.flowmailer.net include:spfrerouting.xink.io ip4:52.186.121.110 -all

✉️ SPF#

Policy	Record (elektro-isola.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.eu.messagegears.net include:_spf.emply.com include:spf.flowmailer.net include:spfrerouting.xink.io ip4:52.186.121.110 -all

📨 DMARC#

Policy	Record (_dmarc.elektro-isola.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:75a6de5c4dba.a@dmarcinput.com; ruf=mailto:75a6de5c4dba.f@dmarcinput.com; fo=1

📬 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 2026-10-24 23:24:17

www	104.21.15.31 172.67.161.72 2606:4700:3035::ac43:a148 2606:4700:3037::6815:f1f (AS13335) (address records, no CNAME)
www vs bare domain	Same network elektro-isola.dk: 104.21.15.31 172.67.161.72 2606:4700:3035::ac43:a148 2606:4700:3037::6815:f1f (AS13335) www.elektro-isola.dk: 104.21.15.31 172.67.161.72 2606:4700:3035::ac43:a148 2606:4700:3037::6815:f1f (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-elektroisola-dk01i._domainkey.elektroisoladk.onmicrosoft.com	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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2418325519
Primary NS (MNAME)	aspen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-24 23:40:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-08-07
Expires	2027-09-30 (339d)

🔗 Same registrant#

2 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
elektroisola.dk	Punktum dk A/S (direct)
isola.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

24ms

31ms

30ms

AAAA

25ms

TXT

124ms

CAA

25ms

HTTPS

33ms

TLSA

75ms

SOA

26ms

MTA-STS

52ms

DNSSEC

92ms

SRV

54ms

Total

1755ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 23:24:17 shown	1755ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-23 16:02:38	571ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 10:59:40	870ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 15:43:54	3400ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 21:20:42	4997ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 16:17:25	4364ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-24 20:20:32	19289ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-13 22:13:28	9519ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-19 13:32:14	5201ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 08:46:49	5002ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 06:46:46	4485ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 06:40:31	3939ms	2 NS 2 A 1 MX	🔒 Secure