mx.securityfocus.com - dns.ninja
mx.securityfocus.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
securityfocus.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| NS | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
rank #938 globally
rank #513 in the tld
securityfocus.com
SecurityFocus was a computer security information portal known for hosting the BugTraq mailing list and a widely-used vulnerability database. It was a major reference point for security researchers and IT professionals in the late 1990s and 2000s.
Key facts
- Owner / operator: Originally an independent company (SecurityFocus, founded by Arthur Wong, Jerry Dixon and others); acquired by Symantec in 2002; the site was later shut down by Symantec.
- TLD:
.com— gTLD - Primary purpose: Security news, vulnerability database (BID - Bugtraq ID), and mailing lists (BugTraq, among others)
- Status: legacy / defunct — the original service was discontinued; the domain no longer hosts the original content
History
| Year | Event |
|---|---|
| 1999 | SecurityFocus.com launched as an independent security information site, hosting the BugTraq mailing list |
| 2002 | Symantec acquired SecurityFocus |
| 2010s | Symantec progressively wound down SecurityFocus services, including the vulnerability database and mailing lists |
Related domains
symantec.com— parent company that acquired SecurityFocus- BugTraq mailing list archives were historically hosted and referenced via SecurityFocus
📈 Tranco rank: #3,753
Previously MX for
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.afternic.com2026-07-24 → 2026-07-24 · 1 obs
●NSns2.afternic.com2026-07-24 → 2026-07-24 · 1 obs
●A13.248.169.482026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 03:54:48
○A143.127.139.1122015-08-21 → 2016-12-24 · 3 obs
● 2016-12-24 19:17:56
○ 2026-07-24 03:54:48
●A76.223.54.1462026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 03:54:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| securityfocus.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for securityfocus.com
⏱️ Timing
Total: 82ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
mx.securityfocus.com directs to two IP numbers, 13.248.169.48 and 76.223.54.146
jizm.com, aebrus.com, mail.tryv.com plus two other host names have IP numbers in common with mx.securityfocus.com.
Name Servers
mx.securityfocus.com has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.
The name server configuration of mx.securityfocus.com is shared with other domains, for instance cubarealestate.com, ns1.paysav.com, inetns1.www.viewjeans.com and two others.
mx.securityfocus.com shares at least some of its name servers with other domains, including engtel.com, tintboys.com, aybp.com and two others.
These name servers are frequently paired with the name servers verification-urj2ap2akmgcchkhharttb.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.
Both ns1.afternic.com and ns2.afternic.com have two IP addresses each. ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45.