istern.dk

📜 Historical scan 2026-06-17 13:13:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

istern.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.60.5 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 66ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
75.2.60.5	—	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—

📧 MX Records#

5 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lm-in-f26.1e100.net lt-in-f27.1e100.net lt-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	aspmx2.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	aspmx3.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 205ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (istern.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.istern.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:4vi31k8j@ag.dmarcian-eu.com

📬 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 2026-10-13 09:00:44

www CNAME	suspicious-wozniak-941bbf.netlify.app (all on netlify.app) → 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
www vs bare domain	Same network istern.dk: 75.2.60.5 (AS16509) www.istern.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

206ms

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

🏷️ SOA#

55ms

Field	Value
Serial	2026053101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-02 18:29:35

Field	Value
Registrar	ONE.COM A/S
Registered	2009-04-24
Expires	2027-04-30 (184d)

📋 WHOIS#

⏱️ Lookup Timing#

66ms

71ms

59ms

AAAA

94ms

TXT

205ms

CAA

67ms

HTTPS

120ms

TLSA

259ms

SOA

55ms

MTA-STS

116ms

DNSSEC

206ms

SRV

0ms

Total

2899ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 18:18:01	973ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-22 06:58:18	859ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-07 01:00:18	903ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-26 03:41:46	742ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-06 17:05:36	5366ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-02 09:54:42	2630ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-26 07:13:57	1948ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-25 03:22:45	2255ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 07:12:47	642ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 13:13:21 shown	2899ms	2 NS 1 A 5 MX	🔒 Secure