letteracollaborative.com - robtex.com

letteracollaborative.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2f74🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:937d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.116Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.125🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbart.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b47🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A2803:f800:50::6ca2:c147🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbart.ns.cloudflare.com
A2a06:98c1:50::ac40:2147🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbart.ns.cloudflare.com
A108.162.193.71🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A172.64.33.71🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A173.245.59.71🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
NSmary.ns.cloudflare.com
A2606:4700:50::adf5:3a86🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
A2803:f800:50::6ca2:c086🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmary.ns.cloudflare.com
A2a06:98c1:50::ac40:2086🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmary.ns.cloudflare.com
A108.162.192.134🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
A172.64.32.134🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
A173.245.58.134🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
MX_dc-mx.22a4421b9879.letteracollaborative.com ⭐
A50.87.217.23🇺🇸 EIGI50.87.0.0/16 Unified Layer
PTR50-87-217-23.unifiedlayer.com
TXTv=spf1 +a +mx +ip4:66.147.244.189 ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.116, 172.67.147.125
IPv6 hints2606:4700:3031::6815:2f74, 2606:4700:3037::ac43:937d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com
SOAbart.ns.cloudflare.comdns@cloudflare.com serial=2401651390

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=1777018271

Same first word

letteracollaborative.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSbart.ns.cloudflare.commary.ns.cloudflare.comns1.bluehost.comns2.bluehost.comMX_dc-mx.22a4421b9879.letteracollaborative.comdc-e51538671d3d.letteracollaborative.commail.letteracollaborative.comA104.21.47.116172.67.147.1252606:4700:3031::6815:2f742606:4700:3037::ac43:937d104.18.58.135104.18.59.1352400:cb00:2048:1::6812:3a872400:cb00:2048:1::6812:3b8750.87.217.23
●NSbart.ns.cloudflare.com2017-06-04 → 2026-04-24 · 3 obs
○ 2016-11-25 02:01:58
● 2017-06-04 14:32:54
● 2026-04-24 08:22:18
●NSmary.ns.cloudflare.com2017-06-04 → 2026-04-24 · 3 obs
○ 2016-11-25 02:01:58
● 2017-06-04 14:32:54
● 2026-04-24 08:22:18
○NSns1.bluehost.com2015-05-15 → 2016-11-25 · 4 obs
● 2015-05-15 02:20:02
● 2016-11-25 02:01:58
○ 2017-06-04 14:32:54
○ 2026-04-24 08:22:18
○NSns2.bluehost.com2015-05-15 → 2016-11-25 · 4 obs
● 2015-05-15 02:20:02
● 2016-11-25 02:01:58
○ 2017-06-04 14:32:54
○ 2026-04-24 08:22:18
●MX_dc-mx.22a4421b9879.letteracollaborative.com2026-02-23 → 2026-04-24 · 3 obs
○ 2017-06-04 14:32:54
● 2026-02-23 05:03:10
● 2026-04-24 08:22:18
○MXdc-e51538671d3d.letteracollaborative.com2017-06-04 → 2017-06-04 · 4 obs
○ 2016-11-25 02:01:58
● 2017-06-04 14:32:54
○ 2026-02-23 05:03:10
○ 2026-04-24 08:22:18
○MXmail.letteracollaborative.com2015-05-15 → 2016-11-25 · 4 obs
● 2015-05-15 02:20:02
● 2016-11-25 02:01:58
○ 2017-06-04 14:32:54
○ 2026-04-24 08:22:18
○A104.18.58.1352017-06-04 → 2017-06-04 · 4 obs
○ 2016-11-25 02:01:58
● 2017-06-04 14:32:54
○ 2026-02-23 05:03:10
○ 2026-04-24 08:22:18
○A104.18.59.1352017-06-04 → 2017-06-04 · 4 obs
○ 2016-11-25 02:01:58
● 2017-06-04 14:32:54
○ 2026-02-23 05:03:10
○ 2026-04-24 08:22:18
●A104.21.47.1162026-02-23 → 2026-04-24 · 3 obs
○ 2017-06-04 14:32:54
● 2026-02-23 05:03:10
● 2026-04-24 08:22:18
●A172.67.147.1252026-02-23 → 2026-04-24 · 3 obs
○ 2017-06-04 14:32:54
● 2026-02-23 05:03:10
● 2026-04-24 08:22:18
○A2400:cb00:2048:1::6812:3a872017-06-04 → 2017-06-04 · 4 obs
○ 2016-11-25 02:01:58
● 2017-06-04 14:32:54
○ 2026-02-23 05:03:10
○ 2026-04-24 08:22:18
○A2400:cb00:2048:1::6812:3b872017-06-04 → 2017-06-04 · 4 obs
○ 2016-11-25 02:01:58
● 2017-06-04 14:32:54
○ 2026-02-23 05:03:10
○ 2026-04-24 08:22:18
●A2606:4700:3031::6815:2f742026-02-23 → 2026-04-24 · 3 obs
○ 2017-06-04 14:32:54
● 2026-02-23 05:03:10
● 2026-04-24 08:22:18
●A2606:4700:3037::ac43:937d2026-02-23 → 2026-04-24 · 3 obs
○ 2017-06-04 14:32:54
● 2026-02-23 05:03:10
● 2026-04-24 08:22:18
○A50.87.217.232015-05-15 → 2016-11-25 · 4 obs
● 2015-05-15 02:20:02
● 2016-11-25 02:01:58
○ 2017-06-04 14:32:54
○ 2026-04-24 08:22:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
letteracollaborative.combart.ns.cloudflare.com, mary.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.134

NS records: bart.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letteracollaborative.com (unsigned zone)

⏱️ Timing

Total: 137ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.47.116, 172.67.147.125
AAAA22606:4700:3037::ac43:937d, 2606:4700:3031::6815:2f74
NS2bart.ns.cloudflare.com, mary.ns.cloudflare.com
MX1_dc-mx.22a4421b9879.letteracollaborative
TXT1v=spf1 +a +mx +ip4:66.147.244.189 ?all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bart.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

letteracollaborative.com points to four IP numbers: 2606:4700:3031::6815:2f74, 2606:4700:3037::ac43:937d, 104.21.47.116 and 172.67.147.125.

Other host names including audiverenthalia.my, ns2.hummelcreative.com, xorjnohw.shop, blogpromedia.co.uk and datapao.com share IP numbers with letteracollaborative.com.

Name Servers

letteracollaborative.com's delegation uses two name servers, bart.ns.cloudflare.com and mary.ns.cloudflare.com.

letteracollaborative.com shares the same name server setup as other domains, for example danielrthomas.info, pajiba.com, great-info-products.com, nadavsvps.com and dealectronic.com.

letteracollaborative.com at least partially shares name servers with other domains, including shanghaitalentagency.com, robertdeutschmann.de, 1win-y9zav.buzz, thereporter.asia and optiradio.com.

These name servers are commonly used with hera.ns.cloudflare.com and robin.ns.cloudflare.com.

Host names with six IP numbers:

bart.ns.cloudflare.com points to: 2606:4700:58::adf5:3b47, 2803:f800:50::6ca2:c147, 2a06:98c1:50::ac40:2147, 108.162.193.71, 172.64.33.71 and 173.245.59.71.

mary.ns.cloudflare.com points to: 2606:4700:50::adf5:3a86, 2803:f800:50::6ca2:c086, 2a06:98c1:50::ac40:2086, 108.162.192.134, 172.64.32.134 and 173.245.58.134.

Mail Servers

letteracollaborative.com is handled by a single mail server, _dc-mx.22a4421b9879.letteracollaborative.com.

_dc-mx.22a4421b9879.letteracollaborative.com points to a single IP: 50.87.217.23.