mailf4.com - robtex.com

mailf4.com

DNSSEC⚠️ Not signed
A172.80.104.239🇺🇸 ESITED-1172.80.0.0/17 ARIN direct allocation
NSa2.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb2.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1746791364

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=1777117716

Same first word

mailf4.com

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma2.share-dns.comb.share-dns.netb2.share-dns.netdns11.hichina.comdns12.hichina.comMXwebmail.mailf4.comA172.80.104.239
●NSa.share-dns.com2026-03-18 → 2026-04-25 · 3 obs
○ 2020-02-05 12:22:18
● 2026-03-18 12:17:44
● 2026-04-25 12:02:08
●NSa2.share-dns.com2026-03-18 → 2026-04-25 · 3 obs
○ 2020-02-05 12:22:18
● 2026-03-18 12:17:44
● 2026-04-25 12:02:08
●NSb.share-dns.net2026-03-18 → 2026-04-25 · 3 obs
○ 2020-02-05 12:22:18
● 2026-03-18 12:17:44
● 2026-04-25 12:02:08
●NSb2.share-dns.net2026-03-18 → 2026-04-25 · 3 obs
○ 2020-02-05 12:22:18
● 2026-03-18 12:17:44
● 2026-04-25 12:02:08
○NSdns11.hichina.com2015-06-07 → 2017-03-18 · 4 obs
● 2015-06-07 02:14:20
● 2017-03-18 16:14:22
○ 2020-02-05 12:22:18
○ 2026-04-25 12:02:08
○NSdns12.hichina.com2015-06-07 → 2017-03-18 · 4 obs
● 2015-06-07 02:14:20
● 2017-03-18 16:14:22
○ 2020-02-05 12:22:18
○ 2026-04-25 12:02:08
○MXwebmail.mailf4.com2015-06-07 → 2017-03-18 · 4 obs
● 2015-06-07 02:14:20
● 2017-03-18 16:14:22
○ 2020-02-05 12:22:18
○ 2026-04-25 12:02:08
●A172.80.104.2392026-03-18 → 2026-04-25 · 2 obs
● 2026-03-18 12:17:44
● 2026-04-25 12:02:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...-
mailf4.comb2.share-dns.net, a2.share-dns.com1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b2.share-dns.net, a2.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailf4.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

TypeCountSample Data
A1172.80.104.239
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a2.share-dns.com)

Analysis

IP Addresses

mailf4.com resolves to one IP number: 172.80.104.239.

Name Servers

mailf4.com delegates to four name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.

mailf4.com at least partially shares name servers with other domains, including hdzdzl.com, hnnljc.com, tevise01.com, bjzysip.com and ndwsjdzxpxpt.com.

These name servers are commonly used with a3.share-dns.com, b3.share-dns.net, a4.share-dns.com, b4.share-dns.net, a6.share-dns.com, b6.share-dns.net, a5.share-dns.com, b5.share-dns.net, a11.share-dns.com and b11.share-dns.net.

Host names with one IP number:

a2.share-dns.com and a.share-dns.com point to 172.64.53.25.

b2.share-dns.net and b.share-dns.net point to 172.64.52.239.

Host names that point to 172.64.53.25: a2.share-dns.com and a.share-dns.com.

Host names that point to 172.64.52.239: b2.share-dns.net and b.share-dns.net.