www.core39.com - robtex.com

www.core39.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:dcf7🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4e79🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.121Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.247🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.121, 172.67.220.247
IPv6 hints2606:4700:3034::ac43:dcf7, 2606:4700:3035::6815:4e79
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com

core39.com

DNSSEC⚠️ Not signed
NSines.ns.cloudflare.com ⭐
NSivan.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
MXroute2.mx.cloudflare.net(67)
MXroute1.mx.cloudflare.net(76)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
SOAines.ns.cloudflare.comdns@cloudflare.com serial=2402222675

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DNS History

15 records (4 active, 11 former)

20162017201820192020202120222023202420252026NSns1.ipage.comns2.ipage.comMXmx.www.core39.comA104.21.78.121172.67.220.2472606:4700:3034::ac43:dcf72606:4700:3035::6815:4e79188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::66.96.147.11566.96.147.15466.96.149.32CNAMEcore39.com
○NSns1.ipage.com2015-06-18 → 2020-01-11 · 4 obs
● 2015-06-18 19:19:40
● 2020-01-11 16:23:16
○ 2026-04-03 03:04:50
○ 2026-05-10 23:22:56
○NSns2.ipage.com2015-06-18 → 2020-01-11 · 4 obs
● 2015-06-18 19:19:40
● 2020-01-11 16:23:16
○ 2026-04-03 03:04:50
○ 2026-05-10 23:22:56
○MXmx.www.core39.com2015-06-18 → 2017-01-02 · 4 obs
● 2015-06-18 19:19:40
● 2017-01-02 10:41:12
○ 2020-01-11 16:23:16
○ 2026-05-10 23:22:56
●A104.21.78.1212026-05-10 → 2026-05-10 · 2 obs
○ 2026-04-03 03:04:50
● 2026-05-10 23:22:56
●A172.67.220.2472026-05-10 → 2026-05-10 · 2 obs
○ 2026-04-03 03:04:50
● 2026-05-10 23:22:56
○A188.114.96.02026-04-03 → 2026-04-03 · 3 obs
○ 2020-01-11 16:23:16
● 2026-04-03 03:04:50
○ 2026-05-10 23:22:56
○A188.114.97.02026-04-03 → 2026-04-03 · 3 obs
○ 2020-01-11 16:23:16
● 2026-04-03 03:04:50
○ 2026-05-10 23:22:56
●A2606:4700:3034::ac43:dcf72026-05-10 → 2026-05-10 · 2 obs
○ 2026-04-03 03:04:50
● 2026-05-10 23:22:56
●A2606:4700:3035::6815:4e792026-05-10 → 2026-05-10 · 2 obs
○ 2026-04-03 03:04:50
● 2026-05-10 23:22:56
○A2a06:98c1:3120::2026-04-03 → 2026-04-03 · 3 obs
○ 2020-01-11 16:23:16
● 2026-04-03 03:04:50
○ 2026-05-10 23:22:56
○A2a06:98c1:3121::2026-04-03 → 2026-04-03 · 3 obs
○ 2020-01-11 16:23:16
● 2026-04-03 03:04:50
○ 2026-05-10 23:22:56
○A66.96.147.1152015-06-18 → 2015-06-18 · 3 obs
● 2015-06-18 19:19:40
○ 2015-11-01 09:15:48
○ 2026-05-10 23:22:56
○A66.96.147.1542015-11-01 → 2016-01-14 · 5 obs
○ 2015-06-18 19:19:40
● 2015-11-01 09:15:48
● 2016-01-14 19:55:34
○ 2016-04-18 02:18:52
○ 2026-05-10 23:22:56
○A66.96.149.322016-04-18 → 2017-01-02 · 5 obs
○ 2016-01-14 19:55:34
● 2016-04-18 02:18:52
● 2017-01-02 10:41:12
○ 2020-01-11 16:23:16
○ 2026-05-10 23:22:56
○CNAMEcore39.com2020-01-11 → 2020-01-11 · 3 obs
● 2020-01-11 16:23:16
○ 2026-04-03 03:04:50
○ 2026-05-10 23:22:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
core39.comivan.ns.cloudflare.com, ines.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.120

NS records: ivan.ns.cloudflare.com, ines.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core39.com (unsigned zone)

⏱️ Timing

Total: 145ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.78.121, 172.67.220.247
AAAA22606:4700:3034::ac43:dcf7, 2606:4700:3035::6815:4e79
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.core39.com points to four IP numbers: 2606:4700:3034::ac43:dcf7, 2606:4700:3035::6815:4e79, 104.21.78.121 and 172.67.220.247.

Other host names, for instance greenfiction.digital, almahdirb.com, oxfordstudentpad.com, ndoors.nl and monteverderusticlodge.com.cdn.cloudflare.net share IP numbers with www.core39.com.