bluearrow.dk

📜 Historical scan 2026-06-16 15:02:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluearrow.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 28 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by bluearrow.dk. The zone is not DNSSEC-signed, 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#

3 records 390ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	—	—	—
ns2.e-studio.dk	—	—	—
ns3.e-studio.dk	—	—	—

🌍 A Records#

1 records 384ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.71	—	web5.e-studio.dk	AS62121	—	—	—	—

📧 MX Records#

1 records 391ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	bluearrow.dk	195.242.131.71	web5.e-studio.dk	AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 967ms

TXT Record
v=spf1 +a +mx +ip4:195.242.131.71 include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (bluearrow.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:195.242.131.71 include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.bluearrow.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 14:35:59

www CNAME	bluearrow.dk (all on bluearrow.dk) → 195.242.131.71 (AS62121)
www vs bare domain	Same network bluearrow.dk: 195.242.131.71 (AS62121) www.bluearrow.dk: 195.242.131.71 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

838ms

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

🏷️ SOA#

362ms

Field	Value
Serial	2026060501
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-06 10:14:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-11-28
Expires	2030-11-30 (1504d)

📋 WHOIS#

⏱️ Lookup Timing#

390ms

384ms

391ms

AAAA

389ms

TXT

967ms

CAA

359ms

HTTPS

323ms

TLSA

274ms

SOA

362ms

MTA-STS

416ms

DNSSEC

838ms

SRV

0ms

Total

2471ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 10:03:09	2163ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-20 14:44:35	1182ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-21 23:15:26	1890ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-06 05:15:34	817ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-25 00:14:39	1890ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-27 13:10:53	1778ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 17:13:43	1253ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 17:42:06	1186ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 09:32:42	1006ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 22:44:19	1107ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 22:37:53	999ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 15:13:47	1647ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:10:55	383ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:02:12 shown	2471ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:00:33	627ms	3 NS 1 A 1 MX	🔓 Insecure