blkb.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

blkb.dev

DNSSEC⚠️ Not signed
A150.171.109.34🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
NSns1-02.azure-dns.com
A2603:1061:0:700::2🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-02.azure-dns.com
A13.107.236.2🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-02.azure-dns.com
NSns2-02.azure-dns.com ⚠️ Not in zone NS records
NSns2-02.azure-dns.net ⚠️ Not in parent delegation
A2620:1ec:8ec:700::2🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-02.azure-dns.net
A150.171.21.2🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-02.azure-dns.net
NSns3-02.azure-dns.com ⚠️ Not in zone NS records
NSns3-02.azure-dns.org ⚠️ Not in parent delegation
A2a01:111:4000:700::2🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-02.azure-dns.org
A204.14.183.2🇺🇸 Microsoft204.14.180.0/22
PTRns3-02.azure-dns.org
NSns4-02.azure-dns.com ⚠️ Not in zone NS records
NSns4-02.azure-dns.info ⚠️ Not in parent delegation
A2620:1ec:bda:700::2🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-02.azure-dns.info
A208.84.5.2🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-02.azure-dns.info
MXmxa.mailgun.org
A34.36.182.139🇺🇸 Google34.32.0.0/11
PTR139.182.36.34.bc.googleusercontent.com
MXmxb.mailgun.org
A34.36.182.139🇺🇸 Google34.32.0.0/11
PTR139.182.36.34.bc.googleusercontent.com
TXTv=spf1 include:mailgun.org ~all
SOAns1-02.azure-dns.comazuredns-hostmaster@microsoft.com serial=1

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

13 records (10 active, 3 former)

NSns1-02.azure-dns.comns2-02.azure-dns.comns2-02.azure-dns.netns3-02.azure-dns.comns3-02.azure-dns.orgns4-02.azure-dns.comns4-02.azure-dns.infoMXmxa.mailgun.orgmxb.mailgun.orgA150.171.109.34150.171.109.35150.171.109.73150.171.110.193
NSns1-02.azure-dns.com2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
NSns2-02.azure-dns.com2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
NSns2-02.azure-dns.net2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
NSns3-02.azure-dns.com2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
NSns3-02.azure-dns.org2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
NSns4-02.azure-dns.com2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
NSns4-02.azure-dns.info2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
MXmxa.mailgun.org2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
MXmxb.mailgun.org2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 10:32:22
● 2026-08-20 01:41:48
A150.171.109.342026-08-19 → 2026-08-20 · 5 obs
○ 2026-08-18 22:25:14
● 2026-08-19 00:10:26
○ 2026-08-19 23:18:26
● 2026-08-20 01:10:02
● 2026-08-20 01:41:48
A150.171.109.352026-08-18 → 2026-08-18 · 4 obs
○ 2026-08-18 14:23:48
● 2026-08-18 15:18:46
○ 2026-08-18 22:25:14
○ 2026-08-20 01:41:48
A150.171.109.732026-08-18 → 2026-08-18 · 6 obs
○ 2026-08-18 10:32:22
● 2026-08-18 14:23:48
○ 2026-08-18 15:18:46
● 2026-08-18 22:25:14
○ 2026-08-19 00:10:26
○ 2026-08-20 01:41:48
A150.171.110.1932026-08-18 → 2026-08-19 · 5 obs
● 2026-08-18 10:32:22
○ 2026-08-18 14:23:48
● 2026-08-19 23:18:26
○ 2026-08-20 01:10:02
○ 2026-08-20 01:41:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
blkb.devns3-02.azure-dns.com, ns4-02.azure-dns.com, ns2-02.azure-dns.com, ns1-02.azure-dns.com-

✅ Authoritative Response

Server:13.107.236.2

NS records: ns3-02.azure-dns.com, ns4-02.azure-dns.com, ns2-02.azure-dns.com, ns1-02.azure-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blkb.dev (unsigned zone)

⏱️ Timing

Total: 698ms | Queries: -

📄 Records

TypeCountSample Data
A1150.171.109.74
NS4ns1-02.azure-dns.com, ns2-02.azure-dns.net...
MX2mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)
TXT1v=spf1 include:mailgun.org ~all
SOA1ns1-02.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

blkb.dev points to a single IP number: 150.171.109.34.

Additional host names — publicaccountants.org.au, needhambank.net, zips.com and two others — share IP numbers with blkb.dev.

Name Servers

blkb.dev is delegated to 7 name servers: ns1-02.azure-dns.com, ns2-02.azure-dns.com, ns3-02.azure-dns.com and 4 other.

blkb.dev shares at least some of its name servers with other domains, including tlahuac3.tecnm.mx, 98.20.in-addr.arpa, sylvantoyou.com and two others.

These name servers are frequently seen alongside the name servers ns3-02.azure-dns.org, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns4-02.azure-dns.com.

The host names ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org each resolve to two IP addresses: ns1-02.azure-dns.com resolves to 13.107.236.2 and 2603:1061:0:700::2; ns4-02.azure-dns.info resolves to 208.84.5.2 and 2620:1ec:bda:700::2; ns2-02.azure-dns.net resolves to 150.171.21.2 and 2620:1ec:8ec:700::2; ns3-02.azure-dns.org resolves to 204.14.183.2 and 2a01:111:4000:700::2.

Mail Servers

blkb.dev has two mail servers: mxa.mailgun.org and mxb.mailgun.org.

blkb.dev shares the same mail server setup as other domains, including cteenmiamibeach.com, yamilyfanny.com, granoxgrano.com.mx and two others.

blkb.dev shares mail servers — at least in part — with other domains, including takeitoff.me, resetwellnessjourney.com, notariacaballero.com and two others.

mxa.mailgun.org and mxb.mailgun.org both resolve to the same single IP address: 34.36.182.139.

mxa.mailgun.org and mxb.mailgun.org are host names that each point to 34.36.182.139 IP addresses.