bootstrapper.dk

📜 Historical scan 2026-10-02 23:32:06 · ← 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 55ms

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 48ms

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 61ms

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 173ms

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 350ms

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#

83ms

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

🏷️ SOA#

53ms

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#

55ms

48ms

61ms

AAAA

60ms

TXT

350ms

CAA

59ms

HTTPS

70ms

TLSA

169ms

SOA

53ms

MTA-STS

109ms

DNSSEC

83ms

SRV

173ms

Total

940ms

🕐 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 shown	940ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-30 10:45:11	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