learnbu.com - dns.ninja

learnbu.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:492f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8c96🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.47Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.150🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScleo.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A2803:f800:50::6ca2:c159🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcleo.ns.cloudflare.com
A2a06:98c1:50::ac40:2159🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcleo.ns.cloudflare.com
A108.162.193.89🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A172.64.33.89🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A173.245.59.89🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
NSdina.ns.cloudflare.com
A2606:4700:50::adf5:3a6b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdina.ns.cloudflare.com
A2803:f800:50::6ca2:c06b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdina.ns.cloudflare.com
A2a06:98c1:50::ac40:206b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdina.ns.cloudflare.com
A108.162.192.107🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdina.ns.cloudflare.com
A172.64.32.107🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdina.ns.cloudflare.com
A173.245.58.107🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.47, 172.67.140.150
IPv6 hints2606:4700:3035::6815:492f, 2606:4700:3037::ac43:8c96
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOAcleo.ns.cloudflare.comdns@cloudflare.com serial=2408822079

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785569707

Same first word

learnbu.com

Similar names

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laurenb.co
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labrune.com
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runelab.ai
runelab.com
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nebular.co
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laubner.at
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nebular.io

DNS History

11 records (6 active, 5 former)

2020202120222023202420252026NScleo.ns.cloudflare.comdina.ns.cloudflare.comns23.domaincontrol.comns24.domaincontrol.comA104.21.73.47172.67.140.1502606:4700:3035::6815:492f2606:4700:3037::ac43:8c96107.180.40.412606:4700:3035::ac43:8c962606:4700:3036::6815:492f
●NScleo.ns.cloudflare.com2026-02-14 → 2026-08-01 · 3 obs
○ 2019-12-16 09:25:56
● 2026-02-14 21:34:24
● 2026-08-01 07:57:52
●NSdina.ns.cloudflare.com2026-02-14 → 2026-08-01 · 3 obs
○ 2019-12-16 09:25:56
● 2026-02-14 21:34:24
● 2026-08-01 07:57:52
○NSns23.domaincontrol.com2019-12-16 → 2019-12-16 · 3 obs
● 2019-12-16 09:25:56
○ 2026-02-14 21:34:24
○ 2026-08-01 07:57:52
○NSns24.domaincontrol.com2019-12-16 → 2019-12-16 · 3 obs
● 2019-12-16 09:25:56
○ 2026-02-14 21:34:24
○ 2026-08-01 07:57:52
●A104.21.73.472026-02-14 → 2026-08-01 · 3 obs
○ 2019-12-16 09:25:56
● 2026-02-14 21:34:24
● 2026-08-01 07:57:52
○A107.180.40.412019-12-16 → 2019-12-16 · 3 obs
● 2019-12-16 09:25:56
○ 2026-02-14 21:34:24
○ 2026-08-01 07:57:52
●A172.67.140.1502026-02-14 → 2026-08-01 · 3 obs
○ 2019-12-16 09:25:56
● 2026-02-14 21:34:24
● 2026-08-01 07:57:52
●A2606:4700:3035::6815:492f2026-07-09 → 2026-08-01 · 3 obs
○ 2026-06-15 04:19:30
● 2026-07-09 12:30:08
● 2026-08-01 07:57:52
○A2606:4700:3035::ac43:8c962026-02-14 → 2026-06-15 · 5 obs
○ 2019-12-16 09:25:56
● 2026-02-14 21:34:24
● 2026-06-15 04:19:30
○ 2026-07-09 12:30:08
○ 2026-08-01 07:57:52
○A2606:4700:3036::6815:492f2026-02-14 → 2026-06-15 · 5 obs
○ 2019-12-16 09:25:56
● 2026-02-14 21:34:24
● 2026-06-15 04:19:30
○ 2026-07-09 12:30:08
○ 2026-08-01 07:57:52
●A2606:4700:3037::ac43:8c962026-07-09 → 2026-08-01 · 3 obs
○ 2026-06-15 04:19:30
● 2026-07-09 12:30:08
● 2026-08-01 07:57:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
learnbu.comdina.ns.cloudflare.com, cleo.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.89

NS records: dina.ns.cloudflare.com, cleo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learnbu.com (unsigned zone)

⏱️ Timing

Total: 170ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.150, 104.21.73.47
AAAA22606:4700:3037::ac43:8c96, 2606:4700:3035::6815:492f
NS2cleo.ns.cloudflare.com, dina.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cleo.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dina.ns.cloudflare.com, dina.ns.cloudflare.com, dina.ns.cloudflare.com...)

Analysis

IP Addresses

learnbu.com resolves to four IP addresses: 104.21.73.47, 172.67.140.150, 2606:4700:3035::6815:492f and 2606:4700:3037::ac43:8c96.

robchapman.tv, babanizburda.sbs, berkahsayanggoogle.campbellsqualityfencing.com and two other host names share IP numbers with learnbu.com.

Name Servers

learnbu.com uses two name servers for its delegation: cleo.ns.cloudflare.com and dina.ns.cloudflare.com.

learnbu.com uses the same name servers as several other domains — among them specterz.com, ai(0x706f726e)feet.com, dharmacomics.com and two more.

learnbu.com has at least partial name server overlap with other domains, such as pafipckotawonogiri.org, esskouri.com, newyorksightseeing.com and two others.

These name servers tend to appear together with the name servers dom.ns.cloudflare.com, veda.ns.cloudflare.com and dalary.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname cleo.ns.cloudflare.com directs to 108.162.193.89, 172.64.33.89 and 173.245.59.89 along with 3 other IP addresses.

Hostname dina.ns.cloudflare.com directs to 108.162.192.107, 172.64.32.107 and 173.245.58.107 along with 3 other IP addresses.