istol.dk

📜 Historical scan 2026-10-03 02:45:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

istol.dk is a .dk domain served by 5 nameservers (ns1.powerhosting.dk, ns2.powerhosting.dk, ns3.powerhosting.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.76.138 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by mailscanner.powerhosting.dk, backup-mx.powerhosting.dk. The zone is not DNSSEC-signed, 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#

5 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.powerhosting.dk	185.31.77.111 2a00:b920:3:1337:0:1:0:111	ns1.powerhosting.dk ns1.powerhosting.dk	AS47527 DLX A/S AS47527 DLX A/S
ns2.powerhosting.dk	2001:1af8:4700:a127:11::53 81.171.12.79	ns2.powerhosting.dk ns2.powerhosting.dk	AS60781 LeaseWeb Netherlands B.V. AS60781 LeaseWeb Netherlands B.V.
ns3.powerhosting.dk	2a00:b920:200::53 45.95.208.53	ns3.powerhosting.dk ns3.powerhosting.dk	AS47527 DLX A/S AS47527 DLX A/S
ns4.powerhosting.dk	2a00:b920:200::153 45.95.208.153	ns4.powerhosting.dk ns4.powerhosting.dk	AS47527 DLX A/S AS47527 DLX A/S
ns5.powerhosting.dk	2a01:4f8:c0c:12d2::2 88.99.227.45	ns5.powerhosting.dk ns5.powerhosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.31.76.138	86400s	prod38.magentohotel.dk	AS47527	DLX A/S	185.31.76.0/22	🇩🇰 Denmark	Herning

📧 MX Records#

2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	86400s	mailscanner.powerhosting.dk	159.69.15.90 185.31.78.51 185.31.78.52 185.31.78.53 185.31.78.54 185.31.78.55 185.31.78.56 185.31.78.57 185.31.78.58 2a00:b920:3:1337:78::51 2a00:b920:3:1337:78::52 2a00:b920:3:1337:78::53 2a00:b920:3:1337:78::54 2a00:b920:3:1337:78::55 2a00:b920:3:1337:78::56 2a00:b920:3:1337:78::57 2a00:b920:3:1337:78::58 2a01:4f8:1c1c:2850::1 2a01:4f9:c010:6af1::1 95.217.132.35	mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk	AS24940 Hetzner Online GmbH AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
100	86400s	backup-mx.powerhosting.dk	159.69.15.90 185.31.78.51 185.31.78.52 185.31.78.53 185.31.78.54 185.31.78.55 185.31.78.56 185.31.78.57 185.31.78.58 2a00:b920:3:1337:78::51 2a00:b920:3:1337:78::52 2a00:b920:3:1337:78::53 2a00:b920:3:1337:78::54 2a00:b920:3:1337:78::55 2a00:b920:3:1337:78::56 2a00:b920:3:1337:78::57 2a00:b920:3:1337:78::58 2a01:4f8:1c1c:2850::1 2a01:4f9:c010:6af1::1 95.217.132.35	mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk mailscanner.powerhosting.dk	AS24940 Hetzner Online GmbH AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.powerhosting.dk → 188.116.39.132
🔶 Autoconfig	autoconfig.powerhosting.dk → 188.116.39.132

🔷 AAAA Records (IPv6)#

1 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:b920:2:1337::138	86400s	prod38.magentohotel.dk	AS47527	DLX A/S	2a00:b920:0:0:0:0:0:0/29	🇩🇰 Denmark	Herning

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

3 records 51ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	autodiscover.powerhosting.dk
_imap._tcp	20	10	143	mail1.powerhosting.dk
_imaps._tcp	10	10	993	mail1.powerhosting.dk

📝 TXT Records#

1 records 147ms

TXT Record
v=spf1 include:_spf.powerhosting.dk -all

✉️ SPF#

Policy	Record (istol.dk)
-all (hard fail)	v=spf1 include:_spf.powerhosting.dk -all

📨 DMARC#

Policy	Record (_dmarc.istol.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r

📬 MTA-STS#

143ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	31337
max_age	172800s
Policy MX	mailscanner.powerhosting.dk, backup-mx.powerhosting.dk, fallback-mx.powerhosting.dk, outbound-mx.powerhosting.dk, *.mail.protection.outlook.com, smtp.powr.host, postal.powr.host

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	https://csp.swarm.powr.host

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 20:51:11

www	185.31.76.138 2a00:b920:2:1337::138 (AS47527) (address records, no CNAME)
www vs bare domain	Same network istol.dk: 185.31.76.138 2a00:b920:2:1337::138 (AS47527) www.istol.dk: 185.31.76.138 2a00:b920:2:1337::138 (AS47527)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	ph._domainkey.powerhosting.dk	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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.istol.dk	_acme-challenge.powr.host

🔗 TLSA / DANE#

2 records 117ms

Service / Owner	Type	Cert association
SMTP _25._tcp.backup-mx.powerhosting.dk	DANE-EE · SPKI · SHA-256	3C02E6711E7E08A1889E67D27C35D230…
SMTP _25._tcp.mailscanner.powerhosting.dk	DANE-EE · SPKI · SHA-256	3C02E6711E7E08A1889E67D27C35D230…

🔐 DNSSEC#

73ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2026100101
Primary NS (MNAME)	ns1.powerhosting.dk
Responsible (RNAME)	zonemaster@powerhosting.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

23ms

27ms

49ms

AAAA

56ms

TXT

147ms

CAA

22ms

HTTPS

28ms

TLSA

117ms

SOA

28ms

MTA-STS

143ms

DNSSEC

73ms

SRV

51ms

Total

889ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 20:51:11	1706ms	5 NS 1 A 2 MX	🔓 Insecure
2026-10-09 11:54:13	1729ms	5 NS 1 A 2 MX	🔓 Insecure
2026-10-08 09:58:48	5295ms	5 NS 1 A 2 MX	🔓 Insecure
2026-10-03 02:45:37 shown	889ms	5 NS 1 A 2 MX	🔓 Insecure
2026-10-01 23:12:07	725ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-30 23:11:09	1214ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-26 08:51:42	1005ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-24 14:05:15	1181ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-17 18:40:31	2046ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-10 16:22:30	1023ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-04 21:22:40	3357ms	5 NS 1 A 2 MX	🔓 Insecure
2026-08-27 17:05:42	959ms	5 NS 1 A 2 MX	🔓 Insecure
2026-08-20 13:21:54	7293ms	5 NS 1 A 2 MX	🔓 Insecure
2026-08-14 00:19:33	6370ms	5 NS 1 A 2 MX	🔓 Insecure
2026-08-06 09:39:34	2682ms	5 NS 1 A 2 MX	🔓 Insecure
2026-07-31 12:40:34	1777ms	5 NS 1 A 2 MX	🔓 Insecure
2026-07-23 21:03:27	11637ms	5 NS 1 A 2 MX	🔓 Insecure
2026-07-16 19:53:31	3041ms	5 NS 1 A 2 MX	🔓 Insecure
2026-07-09 23:05:59	2549ms	5 NS 1 A 2 MX	🔓 Insecure
2026-07-03 10:55:54	11432ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-26 09:17:49	1163ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-24 14:03:38	1444ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-17 14:41:42	2800ms	5 NS 1 A 2 MX	🔓 Insecure