4thoffice.si - robtex.com
4thoffice.si
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1875.awsdns-42.co.uk ⭐ | ||||||
| A | 2600:9000:5307:5300::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1875.awsdns-42.co.uk | ||||||
| A | 205.251.199.83🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1875.awsdns-42.co.uk | ||||||
| NS | ns-1437.awsdns-51.org | ||||||
| A | 2600:9000:5305:9d00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1437.awsdns-51.org | ||||||
| A | 205.251.197.157🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1437.awsdns-51.org | ||||||
| NS | ns-391.awsdns-48.com | ||||||
| A | 2600:9000:5301:8700::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-391.awsdns-48.com | ||||||
| A | 205.251.193.135🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-391.awsdns-48.com | ||||||
| NS | ns-600.awsdns-11.net | ||||||
| A | 2600:9000:5302:5800::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-600.awsdns-11.net | ||||||
| A | 205.251.194.88🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-600.awsdns-11.net | ||||||
| MX | mail.4thoffice.si ⭐ | ||||||
| A | 193.189.180.114🇸🇮 SIOL-NET193.189.176.0/20 | ||||||
| PTR | mail.4thoffice.com | ||||||
| TXT | v=spf1 ip4:193.189.180.114 include:_spf.go.net-results.com ~all | ||||||
| SOA | ns-1875.awsdns-42.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
si
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.dns.si ⭐ | ||||||
| NS | f.dns.si | ||||||
| NS | h.dns.si | ||||||
| NS | i.dns.si | ||||||
| NS | k.dns.si | ||||||
| NS | l.dns.si | ||||||
| SOA | b.dns.sidns@register.si serial=1775156418 | ||||||
Subdomains
Same first word
4thoffice.com |
4thoffice.si |
DNS History
5 records (5 active, 0 former)
●NSns-1437.awsdns-51.org2026-04-02 → 2026-04-02 · 2 obs
● 2026-04-02 20:07:18
●NSns-1875.awsdns-42.co.uk2026-04-02 → 2026-04-02 · 2 obs
● 2026-04-02 20:07:18
●NSns-391.awsdns-48.com2026-04-02 → 2026-04-02 · 2 obs
● 2026-04-02 20:07:18
●NSns-600.awsdns-11.net2026-04-02 → 2026-04-02 · 2 obs
● 2026-04-02 20:07:18
●MXmail.4thoffice.si2026-04-02 → 2026-04-02 · 2 obs
● 2026-04-02 20:07:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| si | b.dns.si, f.dns.si, h.dns.si, i.dns.si... | 12 records |
| 4thoffice.si | ns-391.awsdns-48.com, ns-1875.awsdns-42.co.uk, ns-1437.awsdns-51.org, ns-600.awsdns-11.net | - |
✅ Authoritative Response
Server:205.251.197.157
NS records: ns-391.awsdns-48.com, ns-1875.awsdns-42.co.uk, ns-1437.awsdns-51.org, ns-600.awsdns-11.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4thoffice.si (unsigned zone)
⏱️ Timing
Total: 1897ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1437.awsdns-51.org, ns-1875.awsdns-42.co.uk... |
| MX | 1 | mail.4thoffice.si (pri: 10) |
| TXT | 1 | v=spf1 ip4:193.189.180.114 include:_spf. |
| SOA | 1 | ns-1875.awsdns-42.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (b.dns.si, f.dns.si, h.dns.si...)
Analysis
Hierarchy
4thoffice.si is a parent of mail.4thoffice.si and premium.4thoffice.si.
Name Servers
4thoffice.si is delegated to four name servers: ns-391.awsdns-48.com, ns-600.awsdns-11.net, ns-1437.awsdns-51.org and ns-1875.awsdns-42.co.uk.
4thoffice.si shares name servers with other domains at least partially, for example truecarmail.com, ntertanement720.com, tatth.com, lawdistrict.com and badesi.it.
Host names with two IP numbers:
ns-391.awsdns-48.com points to: 2600:9000:5301:8700::1 and 205.251.193.135
ns-600.awsdns-11.net points to: 2600:9000:5302:5800::1 and 205.251.194.88
ns-1437.awsdns-51.org points to: 2600:9000:5305:9d00::1 and 205.251.197.157
ns-1875.awsdns-42.co.uk points to: 2600:9000:5307:5300::1 and 205.251.199.83
Mail Servers
4thoffice.si is handled by a single mail server, mail.4thoffice.si.
mail.4thoffice.si points to a single IP: 193.189.180.114.