siefu.com - robtex.com
siefu.com
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=1778636952 | ||||||
PTR for
Subdomains
Same first word
siefu.com |
Similar names
DNS History
14 records (8 active, 6 former)
●NSns-1508.awsdns-60.org2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
●NSns-1731.awsdns-24.co.uk2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
●NSns-370.awsdns-46.com2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
●NSns-940.awsdns-53.net2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
●NSns1.siefu.com2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
●NSns2.siefu.com2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
○NSns37.1und1.de2015-06-21 → 2017-06-16 · 4 obs
● 2017-06-16 18:04:16
○ 2026-05-09 15:25:16
○ 2026-05-13 02:02:52
○NSns38.1und1.de2015-06-21 → 2017-06-16 · 4 obs
● 2017-06-16 18:04:16
○ 2026-05-09 15:25:16
○ 2026-05-13 02:02:52
●MXmx.siefu.com2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
○MXmx00.kundenserver.de2015-06-21 → 2017-06-16 · 4 obs
● 2017-06-16 18:04:16
○ 2026-05-09 15:25:16
○ 2026-05-13 02:02:52
○MXmx01.kundenserver.de2015-06-21 → 2017-06-16 · 4 obs
● 2017-06-16 18:04:16
○ 2026-05-09 15:25:16
○ 2026-05-13 02:02:52
●A142.4.219.422026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 15:25:16
● 2026-05-13 02:02:52
○A217.160.231.1432017-06-16 → 2017-06-16 · 4 obs
● 2017-06-16 18:04:16
○ 2026-05-09 15:25:16
○ 2026-05-13 02:02:52
○A82.165.91.2162015-06-21 → 2016-04-03 · 4 obs
● 2016-04-03 14:05:32
○ 2017-06-16 18:04:16
○ 2026-05-13 02:02:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| siefu.com | ns1.siefu.com, ns2.siefu.com | 2 records |
✅ Authoritative Response
Server:142.4.219.42
NS records: ns1.siefu.com, ns2.siefu.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for siefu.com (unsigned zone)
⏱️ Timing
Total: 219ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.4.219.42 |
| NS | 4 | ns-370.awsdns-46.com, ns-1508.awsdns-60.org... |
| MX | 1 | mx.siefu.com (pri: 0) |
| TXT | 1 | v=spf1 a:dns.siefu.com ~all |
| SOA | 1 | ns-940.awsdns-53.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.siefu.com, ns2.siefu.com)
Analysis
Hierarchy
siefu.com is a parent of ns2.siefu.com, mx.siefu.com and ns1.siefu.com.
IP Addresses
siefu.com points to a single IP number: 142.4.219.42.
Other host names, for instance ns544766.ip-142-4-219.net, s50.brainlang.com, fos-home.com, mx.siefu.com and ocnm61.com share IP numbers with siefu.com.
Name Servers
siefu.com delegates to six name servers: ns-370.awsdns-46.com, ns1.siefu.com, ns2.siefu.com, ns-940.awsdns-53.net, ns-1508.awsdns-60.org and ns-1731.awsdns-24.co.uk.
siefu.com shares name servers with other domains at least partially, for instance mytracksite.com, areacode.io, bulksms.com, ibodyshop.com.au and d12e2ac51dz7qx.cloudfront.net.
Host names with two IP numbers:
ns-370.awsdns-46.com resolves to 2600:9000:5301:7200::1 and 205.251.193.114.
ns-940.awsdns-53.net resolves to 2600:9000:5303:ac00::1 and 205.251.195.172.
ns-1508.awsdns-60.org resolves to 2600:9000:5305:e400::1 and 205.251.197.228.
ns-1731.awsdns-24.co.uk resolves to 2600:9000:5306:c300::1 and 205.251.198.195.
Mail Servers
The mail server for siefu.com is mx.siefu.com.
Host name mx.siefu.com resolves to IP 142.4.219.42.