isola.dk

📜 Historical scan 2026-09-23 13:47:20  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isola.dk is a .dk domain served by 2 nameservers (aspen.ns.cloudflare.com, ernest.ns.cloudflare.com). It was registered on 31 January 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.68.181 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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   35ms
NameserverIP addressesPTRASN / 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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.68.181 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.197.141 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   52ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:c58d 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:44b5 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.68.181,172.67.197.141 ech=AEX+DQBBSwAgACD11o6crS/bLU3TWG3c5Ae/Qe5+Db736R+swrunvTY7YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c58d,2606:4700:3035::6815:44b5

📝 TXT Records#

1 records   198ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (isola.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.isola.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 05:15:36
www104.21.68.181 172.67.197.141 2606:4700:3032::ac43:c58d 2606:4700:3035::6815:44b5 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.isola.dk 4m0JDuIwLhKd3RrMNU2TXaD9lQd_8x5EWuBj45GNOxs
TXT _acme-challenge.isola.dk eR29Q4IrhVT6WDjaLB28ls4EbbL_1FaYuLT9A6OEN0o

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415631652
Primary NS (MNAME)aspen.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 10:24:50
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1996-01-31
Expires2027-03-31 (159d)

🔗 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).

DomainRegistrar
elektro-isola.dkPunktum dk A/S (direct)
elektroisola.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
35ms
MX
47ms
AAAA
52ms
TXT
198ms
CAA
42ms
HTTPS
35ms
TLSA
57ms
SOA
0ms
MTA-STS
83ms
DNSSEC
114ms
SRV
99ms
Total
1219ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 15:59:47 777ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-29 15:45:29 956ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-27 11:15:15 726ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-24 14:46:29 611ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-23 13:47:20 shown 1219ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-07 18:09:58 1213ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-14 07:51:06 963ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-26 15:04:19 881ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-21 01:47:38 16662ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-01 07:30:16 941ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-27 04:23:20 686ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-26 14:42:44 1270ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-25 03:17:48 1953ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-22 08:17:05 1190ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-21 14:41:44 1180ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 11:55:38 1418ms 2 NS 2 A 0 MX 🔒 Secure
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