mail.keystone.bg - robtex.com
mail.keystone.bg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.98.104.13🇧🇬 DELTA-BG-AS79.98.104.0/24 | ||||||
| PTR | jump10.jump.bg | ||||||
keystone.bg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:a8ee🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:4f1f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.79.31Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.168.238🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | arch.ns.cloudflare.com ⭐ | ||||||
| NS | ursula.ns.cloudflare.com | ||||||
| MX | mail.keystone.bg ⭐ | ||||||
| TXT | v=spf1 +a +mx +ip4:79.98.104.13 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.79.31, 172.67.168.238 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:a8ee, 2606:4700:3036::6815:4f1f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=63, name=cloudflare-ech.com | ||||||
| SOA | arch.ns.cloudflare.comdns@cloudflare.com serial=2409892573 | ||||||
MX for
Same first word
Similar names
DNS History
10 records (1 active, 9 former)
○NSns1.jabse.com2016-01-03 → 2016-01-03 · 4 obs
○ 2015-10-11 20:04:04
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
○NSns2.jabse.com2016-01-03 → 2016-01-03 · 4 obs
○ 2015-10-11 20:04:04
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
○NSns3.jabse.com2016-01-03 → 2016-01-03 · 4 obs
○ 2015-10-11 20:04:04
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
○NSns51.icndns.net2015-10-11 → 2016-05-02 · 5 obs
● 2015-10-11 20:04:04
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
○NSns52.icndns.net2015-10-11 → 2016-05-02 · 5 obs
● 2015-10-11 20:04:04
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
○MXkeystone.bg2015-10-11 → 2016-05-02 · 5 obs
● 2015-10-11 20:04:04
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
●A79.98.104.132026-07-10 → 2026-07-18 · 3 obs
○ 2016-05-02 21:04:12
● 2026-07-10 04:08:48
● 2026-07-18 20:57:14
● 2026-07-10 04:08:48
● 2026-07-18 20:57:14
○A91.215.216.232015-05-23 → 2016-05-02 · 6 obs
● 2015-05-23 16:10:44
● 2015-10-11 20:04:04
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
● 2015-10-11 20:04:04
○ 2016-01-03 23:12:18
● 2016-05-02 21:04:12
○ 2026-07-10 04:08:48
○ 2026-07-18 20:57:14
○A94.156.134.1902016-01-03 → 2016-01-03 · 4 obs
○ 2015-10-11 20:04:04
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
● 2016-01-03 23:12:18
○ 2016-05-02 21:04:12
○ 2026-07-18 20:57:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bg | c.nic.bg, e.nic.bg, a.nic.bg, p.nic.bg... | 12 records |
| keystone.bg | arch.ns.cloudflare.com, ursula.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.191
NS records: arch.ns.cloudflare.com, ursula.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for keystone.bg (unsigned zone)
⏱️ Timing
Total: 575ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.98.104.13 |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (c.nic.bg, c.nic.bg, e.nic.bg...)
Analysis
Mail Server Role
mail.keystone.bg serves as a mail server for keystone.bg.
IP Addresses
mail.keystone.bg points to a single IP number: 79.98.104.13.
Additional host names — shmail55.evgabook.com, mx01.cmailpro.net.account.bg, flekbg.com and two others — share IP numbers with mail.keystone.bg.