0xffffffff.com - robtex.com
0xffffffff.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.237.30.93🇮🇹 ARUBA-ASN212.237.0.0/18 | ||||||
| PTR | valuer.mobi | ||||||
| NS | ns1.valuer.mobi ⭐ ⚠️ Not in parent delegation | ||||||
| A | 212.237.30.93🇮🇹 ARUBA-ASN212.237.0.0/18 | ||||||
| PTR | valuer.mobi | ||||||
| NS | ns1.0xffffffff.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.0xffffffff.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.valuer.mobi ⚠️ Not in parent delegation | ||||||
| A | 212.237.30.93🇮🇹 ARUBA-ASN212.237.0.0/18 | ||||||
| PTR | valuer.mobi | ||||||
| MX | 0xffffffff.com ⭐ | ||||||
| A | 212.237.30.93🇮🇹 ARUBA-ASN212.237.0.0/18 | ||||||
| PTR | valuer.mobi | ||||||
| TXT | v=spf1 mx a -all | ||||||
| SOA | ns1.valuer.mobi1@0xffffffff.com 2019-09-06 #11 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786332024 | ||||||
MX for
0xffffffff.com |
Same first word
0xffffffff.com |
0xffffffff.io |
0xffffffff.org |
0xffffffff.net |
DNS History
12 records (6 active, 6 former)
●NSns1.0xffffffff.com2026-06-16 → 2026-08-10 · 3 obs
● 2026-06-16 22:48:54
● 2026-08-10 03:50:28
○NSns1.fox.r1servers.com2019-03-29 → 2019-03-29 · 4 obs
● 2019-03-29 00:11:34
○ 2026-06-16 22:48:54
○ 2026-08-10 03:50:28
○NSns1.tiger.r1servers.com2015-06-01 → 2017-01-29 · 4 obs
● 2017-01-29 13:28:44
○ 2019-03-29 00:11:34
○ 2026-08-10 03:50:28
●NSns1.valuer.mobi2026-06-16 → 2026-08-10 · 3 obs
● 2026-06-16 22:48:54
● 2026-08-10 03:50:28
●NSns2.0xffffffff.com2026-06-16 → 2026-08-10 · 3 obs
● 2026-06-16 22:48:54
● 2026-08-10 03:50:28
○NSns2.fox.r1servers.com2019-03-29 → 2019-03-29 · 4 obs
● 2019-03-29 00:11:34
○ 2026-06-16 22:48:54
○ 2026-08-10 03:50:28
○NSns2.tiger.r1servers.com2015-06-01 → 2017-01-29 · 4 obs
● 2017-01-29 13:28:44
○ 2019-03-29 00:11:34
○ 2026-08-10 03:50:28
●NSns2.valuer.mobi2026-06-16 → 2026-08-10 · 3 obs
● 2026-06-16 22:48:54
● 2026-08-10 03:50:28
●MX0xffffffff.com2015-06-01 → 2026-08-10 · 2 obs
● 2026-08-10 03:50:28
○A209.85.101.232015-06-01 → 2017-01-29 · 4 obs
● 2017-01-29 13:28:44
○ 2019-03-29 00:11:34
○ 2026-08-10 03:50:28
●A212.237.30.932026-06-16 → 2026-08-10 · 3 obs
● 2026-06-16 22:48:54
● 2026-08-10 03:50:28
○A23.239.14.582019-03-29 → 2019-03-29 · 4 obs
● 2019-03-29 00:11:34
○ 2026-06-16 22:48:54
○ 2026-08-10 03:50:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 0xffffffff.com | ns1.0xffffffff.com, ns2.0xffffffff.com | 2 records |
✅ Authoritative Response
Server:212.237.30.93
NS records: ns1.0xffffffff.com, ns2.0xffffffff.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 0xffffffff.com (unsigned zone)
⏱️ Timing
Total: 3427ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.237.30.93 |
| NS | 2 | ns1.valuer.mobi, ns2.valuer.mobi |
| MX | 1 | 0xffffffff.com (pri: 0) |
| TXT | 1 | v=spf1 mx a -all |
| SOA | 1 | ns1.valuer.mobi 1.0xffffffff.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.0xffffffff.com, ns2.0xffffffff.com)
Analysis
Mail Server Role
The MX record for 0xffffffff.com points back to 0xffffffff.com — it is its own mail server.
IP Addresses
0xffffffff.com directs to one IP number, which is 212.237.30.93.
ns1.valuer.mobi, valuer.mobi, investor-ad.com and ns2.valuer.mobi are among the host names that share IP numbers with 0xffffffff.com.
Name Servers
The domain 0xffffffff.com is delegated to these four name servers: ns1.0xffffffff.com, ns2.0xffffffff.com, ns1.valuer.mobi and ns2.valuer.mobi.
There is an overlap in name servers between 0xffffffff.com and other domains, for example tarsachka.com, valuer.mobi and investor-ad.com
These name servers commonly appear alongside the name servers ns1.investor-ad.com and ns2.investor-ad.com.
ns1.valuer.mobi and ns2.valuer.mobi each point to one IP address — 212.237.30.93.
The host names ns1.valuer.mobi and ns2.valuer.mobi both resolve to 212.237.30.93 IP addresses.
Mail Servers
The MX record for 0xffffffff.com points to a single mail server: 0xffffffff.com.
0xffffffff.com points to one IP number — 212.237.30.93.