isagerstrik.dk

📜 Historical scan 2026-06-19 03:39:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isagerstrik.dk is a .dk domain served by 2 nameservers (elliot.ns.cloudflare.com, rose.ns.cloudflare.com). It was registered on 25 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by isagerstrik-dk.mail.protection.outlook.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 104ms

Nameserver	IP addresses	PTR	ASN / ISP
elliot.ns.cloudflare.com	108.162.193.162 172.64.33.162 173.245.59.162 2606:4700:58::adf5:3ba2 2803:f800:50::6ca2:c1a2 2a06:98c1:50::ac40:21a2	elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rose.ns.cloudflare.com	108.162.192.141 172.64.32.141 173.245.58.141 2606:4700:50::adf5:3a8d 2803:f800:50::6ca2:c08d 2a06:98c1:50::ac40:208d	rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com rose.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

4 records 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.19.250.219	300s	edge1.netkant.eu	AS16276	—	—	—	—
167.235.70.19	300s	edge3.netkant.eu	AS24940	—	—	—	—
51.38.38.70	300s	edge6.netkant.eu	AS16276	—	—	—	—
51.68.137.74	300s	edge5.netkant.eu	AS16276	—	—	—	—

📧 MX Records#

1 records 103ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	isagerstrik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca04::6 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.25 52.101.68.36 52.101.73.30	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 52.97.137.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 694ms

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

📝 TXT Records#

3 records 484ms

TXT Record
ca3-aa0818229cb7417ca5569ec02429ccf6
google-site-verification=te7AufHj4cVQk6fNzTyR04cdQz-oJ3zrdXrjGcmH_4o
v=spf1 include:_spf.isagerstrik_dk._d.pro.dmarcprotect.me include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (isagerstrik.dk)
-all (hard fail)	v=spf1 include:_spf.isagerstrik_dk._d.pro.dmarcprotect.me include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.isagerstrik.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:62c35b09e5@rua.dmarcprotect.me;ruf=mailto:62c35b09e5@ruf.dmarcprotect.me;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#

latest probe, not this scan · checked 2026-10-14 04:20:39

www CNAME	edge.netkant.eu (all on netkant.eu) → 162.19.250.219 51.38.38.70 51.68.137.74 (AS16276)
www vs bare domain	Same network isagerstrik.dk: 162.19.250.219 51.38.38.70 51.68.137.74 (AS16276) www.isagerstrik.dk: 162.19.250.219 51.38.38.70 51.68.137.74 (AS16276)
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#

2 found

Selector	CNAME	Key
selector1	selector1-isagerstrik-dk._domainkey.isager.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-isagerstrik-dk._domainkey.isager.onmicrosoft.com	RSA · ~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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.isagerstrik.dk	ARIj-cQurlpLqsxUjiNWt7ydWJ6BJ43HavxAw-FpBHU
TXT	_acme-challenge.isagerstrik.dk	ITixvrkaA8KnXrCZy7ep7el2N3aAJwDp_j0fXkhdBt4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

190ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407299486
Primary NS (MNAME)	elliot.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 04:44:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-10-25
Expires	2026-12-31 (75d)

🔗 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
isager-strik.dk	Punktum dk A/S (direct)
isager-yarn.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

104ms

124ms

103ms

AAAA

137ms

TXT

484ms

CAA

111ms

HTTPS

108ms

TLSA

594ms

SOA

0ms

MTA-STS

86ms

DNSSEC

190ms

SRV

694ms

Total

3117ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 04:20:38	6828ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-05 22:43:32	2317ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-03 22:09:51	2655ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-23 20:19:05	1019ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-21 03:54:34	2252ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-15 21:48:05	3325ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-08 23:48:38	1505ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-28 22:28:02	2629ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-27 12:00:56	1501ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-24 18:56:57	1774ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-21 14:28:35	11126ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-19 07:36:14	13015ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-17 02:07:30	4605ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-07 20:42:24	1567ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-10 00:15:07	3368ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-26 01:31:43	2797ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-19 03:39:42 shown	3117ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-18 20:56:20	1061ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-18 04:03:48	1249ms	2 NS 4 A 1 MX	🔒 Secure