security-first.org - dns.ninja
security-first.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.99.140.174🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | strong.relation.at | ||||||
| NS | ns1.johannesspringer.de ⭐ | ||||||
| A | 193.254.189.162🇩🇪 CRONON-AS193.254.184.0/21 VAUTRON-NET-1 | ||||||
| PTR | ns1.ns-serve.net | ||||||
| NS | ns2.johannesspringer.de | ||||||
| A | 83.243.59.34🇩🇪 CRONON-AS83.243.56.0/21 VAUTRON-NET-2 | ||||||
| PTR | ns2.ns-serve.net | ||||||
| MX | mail.security-first.org ⭐ | ||||||
| A | 88.99.140.174🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | strong.relation.at | ||||||
| TXT | v=spf1 a mx ip4:88.99.140.174 ip6:2a01:4f8:10a:24e0::2 ~all | ||||||
| SOA | ns1.johannesspringer.deroot@ns1.johannesspringer.de serial=1776092646 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782849695 | ||||||
Subdomains
mail.security-first.org |
Same first word
security-first.com |
security-first.nl |
security-first.org |
security-first.de |
Similar names
first-security.co |
first-security.org |
first-security.net |
first-security.technology |
first-security.fr |
first-security.com |
first-security.de |
DNS History
5 records (4 active, 1 former)
●NSns1.johannesspringer.de2015-06-02 → 2026-06-30 · 2 obs
● 2026-06-30 20:13:46
●NSns2.johannesspringer.de2015-06-02 → 2026-06-30 · 2 obs
● 2026-06-30 20:13:46
●MXmail.security-first.org2015-06-02 → 2026-06-30 · 2 obs
● 2026-06-30 20:13:46
○A144.76.157.792015-06-02 → 2017-03-25 · 4 obs
● 2017-03-25 07:46:02
○ 2026-03-26 06:23:26
○ 2026-06-30 20:13:46
●A88.99.140.1742026-03-26 → 2026-06-30 · 3 obs
● 2026-03-26 06:23:26
● 2026-06-30 20:13:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| security-first.org | ns2.johannesspringer.de, ns1.johannesspringer.de | - |
✅ Authoritative Response
Server:193.254.189.162
NS records: ns2.johannesspringer.de, ns1.johannesspringer.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for security-first.org (unsigned zone)
⏱️ Timing
Total: 760ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.140.174 |
| NS | 2 | ns2.johannesspringer.de, ns1.johannesspringer.de |
| MX | 1 | mail.security-first.org (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:88.99.140.174 ip6:2a01:4 |
| SOA | 1 | ns1.johannesspringer.de root.ns1.johanne |
Analysis
Hierarchy
security-first.org serves as the parent of mail.security-first.org.
IP Addresses
security-first.org resolves to one IP address: 88.99.140.174.
mail.montierungen.net, energetik-schule.at, lautundluisa.com and two other host names share IP numbers with security-first.org.
Name Servers
DNS delegation for security-first.org points to two name servers: ns1.johannesspringer.de and ns2.johannesspringer.de.
security-first.org uses the same name servers as several other domains — among them energetik-schule.at, lautundluisa.com, securityfirst.org and two more.
security-first.org has a partial name server overlap with other domains — among them relation.at and safeproxy.at.
It is common to see these name servers used together with name servers ns1.ns-serve.net and ns2.ns-serve.net.
ns1.johannesspringer.de directs to 193.254.189.162 and ns2.johannesspringer.de directs to 83.243.59.34; each host name points to exactly one IP number.
Mail Servers
Mail for security-first.org is handled by a single mail server, mail.security-first.org.
mail.security-first.org has exactly one IP number: 88.99.140.174.