keystone.bg - robtex.com

keystone.bg

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:a8ee🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:4f1f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.79.31Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.238🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarch.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b44🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarch.ns.cloudflare.com
A2803:f800:50::6ca2:c144🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarch.ns.cloudflare.com
A2a06:98c1:50::ac40:2144🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarch.ns.cloudflare.com
A108.162.193.68🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.68🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.68🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSursula.ns.cloudflare.com
A2606:4700:50::a29f:26bf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
A2803:f800:50::6ca2:c2bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRursula.ns.cloudflare.com
A2a06:98c1:50::ac40:22bf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRursula.ns.cloudflare.com
A108.162.194.191🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
A162.159.38.191Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
A172.64.34.191🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
MXmail.keystone.bg ⭐
A79.98.104.13🇧🇬 DELTA-BG-AS79.98.104.0/24
PTRjump10.jump.bg
TXTv=spf1 +a +mx +ip4:79.98.104.13 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.79.31, 172.67.168.238
IPv6 hints2606:4700:3035::ac43:a8ee, 2606:4700:3036::6815:4f1f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOAarch.ns.cloudflare.comdns@cloudflare.com serial=2406879326

bg

DNSSEC🔒 Signed (DS record present)
NSa.nic.bg ⭐
NSb.nic.bg
NSc.nic.bg
NSd.nic.bg
NSe.nic.bg
NSp.nic.bg
SOAa.nic.bghostmaster@register.bg 2026-07-18 #7

Previously MX for

keystone.bg
mail.keystone.bg

Subdomains

mail.keystone.bg

Same first word

keystone.me
keystone.net
keystone.io
keystone.guru
keystone.cz
keystone.co.mz
keystone.mx
keystone.healthcare
keystone.biz
keystone.jobs
keystone.bh
keystone.church
keystone.ai
keystone.systems
keystone.insure
keystone.su
keystone.bg
keystone.ae
keystone.tn
keystone.be
keystone.jp
keystone.hu
keystone.business
keystone.one
keystone.info
keystone.solutions
keystone.altervista.org
keystone.ge
keystone.zone
keystone.holdings
keystone.com.ua
keystone.pictures
keystone.co.uk
keystone.nl
keystone.k12.pa.us
keystone.fit
keystone.sa
keystone.photos
keystone.bz
keystone.com.my
keystone.company
keystone.tk
keystone.sg
keystone.agency
keystone.work
keystone.pm
keystone.gr
keystone.ie
keystone.health
keystone.media
keystone.com.br
keystone.org
keystone.pl
keystone.works
keystone.ac.in
keystone.sk
keystone.us
keystone.com.mx
keystone.se
keystone.de
keystone.cn
keystone.tokyo
keystone.bike
keystone.graphics
keystone.cool
keystone.land
keystone.ru
keystone.pro
keystone.za.com
keystone.awsapps.com
keystone.travel
keystone.group
keystone.ch
keystone.school
keystone.net.ve
keystone.hk
keystone.com
keystone.life
keystone.no
keystone.edu.mx
keystone.edu
keystone.law
keystone.by
keystone.k12.ok.us
keystone.ltd
keystone.bank
keystone.it

Similar names

keynotes.it
enotsyek.com
keynotes.org
keynotes.life
keynotes.nl
tokenyes.com
keynotes.de
keynotes.fi
keynotes.com
keynotes.com.cn
keynotes.cn
stonekey.com
syneotek.com
keynotes.net
notekeys.com
keynotes.co.uk
noteskey.com
stenokey.com
keynotes.info
keynotes.fr
keynotes.us
keynotes.co
tonyseek.com

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSarch.ns.cloudflare.comursula.ns.cloudflare.comns1.jabse.comns2.jabse.comns3.jabse.comns51.icndns.netns52.icndns.netMXmail.keystone.bgkeystone.bgA104.21.79.31172.67.168.2382606:4700:3035::ac43:a8ee2606:4700:3036::6815:4f1f91.215.216.2394.156.134.190
●NSarch.ns.cloudflare.com2026-07-10 → 2026-07-18 · 3 obs
○ 2017-04-09 17:49:14
● 2026-07-10 04:08:48
● 2026-07-18 13:05:12
○NSns1.jabse.com2015-11-30 → 2015-11-30 · 4 obs
○ 2015-08-02 06:58:02
● 2015-11-30 13:56:06
○ 2016-03-15 09:50:58
○ 2026-07-18 13:05:12
○NSns2.jabse.com2015-11-30 → 2015-11-30 · 4 obs
○ 2015-08-02 06:58:02
● 2015-11-30 13:56:06
○ 2016-03-15 09:50:58
○ 2026-07-18 13:05:12
○NSns3.jabse.com2015-11-30 → 2015-11-30 · 4 obs
○ 2015-08-02 06:58:02
● 2015-11-30 13:56:06
○ 2016-03-15 09:50:58
○ 2026-07-18 13:05:12
○NSns51.icndns.net2015-08-02 → 2017-04-09 · 6 obs
● 2015-08-02 06:58:02
○ 2015-11-30 13:56:06
● 2016-03-15 09:50:58
● 2017-04-09 17:49:14
○ 2026-07-10 04:08:48
○ 2026-07-18 13:05:12
○NSns52.icndns.net2015-08-02 → 2017-04-09 · 6 obs
● 2015-08-02 06:58:02
○ 2015-11-30 13:56:06
● 2016-03-15 09:50:58
● 2017-04-09 17:49:14
○ 2026-07-10 04:08:48
○ 2026-07-18 13:05:12
●NSursula.ns.cloudflare.com2026-07-10 → 2026-07-18 · 3 obs
○ 2017-04-09 17:49:14
● 2026-07-10 04:08:48
● 2026-07-18 13:05:12
○MXkeystone.bg2015-08-02 → 2017-04-09 · 6 obs
● 2015-08-02 06:58:02
○ 2015-11-30 13:56:06
● 2016-03-15 09:50:58
● 2017-04-09 17:49:14
○ 2026-07-10 04:08:48
○ 2026-07-18 13:05:12
●MXmail.keystone.bg2026-07-10 → 2026-07-18 · 3 obs
○ 2017-04-09 17:49:14
● 2026-07-10 04:08:48
● 2026-07-18 13:05:12
●A104.21.79.312026-07-10 → 2026-07-18 · 3 obs
○ 2017-04-09 17:49:14
● 2026-07-10 04:08:48
● 2026-07-18 13:05:12
●A172.67.168.2382026-07-10 → 2026-07-18 · 3 obs
○ 2017-04-09 17:49:14
● 2026-07-10 04:08:48
● 2026-07-18 13:05:12
●A2606:4700:3035::ac43:a8ee2026-07-10 → 2026-07-18 · 3 obs
○ 2017-04-09 17:49:14
● 2026-07-10 04:08:48
● 2026-07-18 13:05:12
●A2606:4700:3036::6815:4f1f2026-07-10 → 2026-07-18 · 3 obs
○ 2017-04-09 17:49:14
● 2026-07-10 04:08:48
● 2026-07-18 13:05:12
○A91.215.216.232015-08-02 → 2017-04-09 · 6 obs
● 2015-08-02 06:58:02
○ 2015-11-30 13:56:06
● 2016-03-15 09:50:58
● 2017-04-09 17:49:14
○ 2026-07-10 04:08:48
○ 2026-07-18 13:05:12
○A94.156.134.1902015-11-30 → 2015-11-30 · 4 obs
○ 2015-08-02 06:58:02
● 2015-11-30 13:56:06
○ 2016-03-15 09:50:58
○ 2026-07-18 13:05:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bga.nic.bg, b.nic.bg, c.nic.bg, d.nic.bg...12 records
keystone.bgursula.ns.cloudflare.com, arch.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.68

NS records: ursula.ns.cloudflare.com, arch.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keystone.bg (unsigned zone)

⏱️ Timing

Total: 752ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.79.31, 172.67.168.238
AAAA22606:4700:3035::ac43:a8ee, 2606:4700:3036::6815:4f1f
NS2arch.ns.cloudflare.com, ursula.ns.cloudflare.com
MX1mail.keystone.bg (pri: 0)
TXT1v=spf1 +a +mx +ip4:79.98.104.13 ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1arch.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.bg, a.nic.bg, b.nic.bg...)

Analysis

Hierarchy

The domain mail.keystone.bg falls under the parent keystone.bg.

IP Addresses

keystone.bg points to the four IP addresses 104.21.79.31, 172.67.168.238, 2606:4700:3035::ac43:a8ee and 2606:4700:3036::6815:4f1f.

Among the host names that share IP numbers with keystone.bg are i-num.com, gpsc.marugujarat.in, santibeachclub.com and two others.

Name Servers

DNS delegation for keystone.bg points to two name servers: arch.ns.cloudflare.com and ursula.ns.cloudflare.com.

keystone.bg has the same name server delegation as a number of other domains, such as ablockci.irish, robinhoodsurvey.com, donna-anna.com and two more.

At least some of keystone.bg's name servers are shared with other domains, for example 8194845-ledger.com, tetdebit.info, 4823824-coinbase.com and two more.

It is common for these name servers to be used in conjunction with the name servers adel.ns.cloudflare.com, randy.ns.cloudflare.com and chin.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

arch.ns.cloudflare.com has IP addresses 108.162.193.68, 172.64.33.68 and 173.245.59.68, plus 3 other.

ursula.ns.cloudflare.com has IP addresses 108.162.194.191, 162.159.38.191 and 172.64.34.191, plus 3 other.

Mail Servers

keystone.bg routes its mail through a single mail server, mail.keystone.bg.

mail.keystone.bg has exactly one IP number: 79.98.104.13.