bootstrapper.dk

📜 Historical scan 2026-09-30 10:45:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bootstrapper.dk is a .dk domain served by 3 nameservers (ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu). It was registered on 22 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.208.22.166 is hosted by Bredband2 AB (AS29518) in Sweden. Mail is handled by aspmx1.migadu.com, aspmx2.migadu.com. 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 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.openprovider.nl	162.159.26.10 2400:cb00:2049:1::a29f:1a0a	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.openprovider.be	162.159.27.96 2400:cb00:2049:1::a29f:1b60	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.openprovider.eu	162.159.48.89 2400:cb00:2049:1::a29f:3059	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
31.208.22.166	900s	31-208-22-166.cust.bredband2.com	AS29518	Bredband2 AB	31.208.0.0/16	🇸🇪 Sweden	Gothenburg

📧 MX Records#

2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	aspmx1.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	86400s	aspmx2.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	autoconfig.migadu.com → 141.94.97.141

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 192ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	autodiscover.migadu.com
_imaps._tcp	0	1	993	imap.migadu.com

📝 TXT Records#

2 records 365ms

TXT Record
hosted-email-verify=ihwy3rfd
v=spf1 include:spf.migadu.com -all

✉️ SPF#

Policy	Record (bootstrapper.dk)
-all (hard fail)	v=spf1 include:spf.migadu.com -all

📨 DMARC#

Policy	Record (_dmarc.bootstrapper.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 2026-10-07 22:19:16

www CNAME	bootstrapper.dk (all on bootstrapper.dk) → 31.208.22.166 (AS29518)
www vs bare domain	Same network bootstrapper.dk: 31.208.22.166 (AS29518) www.bootstrapper.dk: 31.208.22.166 (AS29518)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2026093001
Primary NS (MNAME)	ns1.openprovider.nl
Responsible (RNAME)	dns@openprovider.eu
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 23:11:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-02-22
Expires	2027-01-31 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

25ms

72ms

52ms

AAAA

56ms

TXT

365ms

CAA

72ms

HTTPS

79ms

TLSA

275ms

SOA

66ms

MTA-STS

102ms

DNSSEC

101ms

SRV

192ms

Total

1276ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 22:19:16	928ms	3 NS 1 A 2 MX	🔓 Insecure
2026-10-02 23:32:06	940ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-30 10:45:11 shown	1276ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-29 12:16:13	2122ms	3 NS 1 A 2 MX	🔓 Insecure
2026-07-27 15:52:26	1236ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-01 23:31:11	809ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-16 16:07:02	349ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-16 16:01:23	1928ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-16 16:00:45	932ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-16 16:00:22	2467ms	3 NS 0 A 0 MX	🔓 Insecure