sefirst.com - dns.ninja
sefirst.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=1781375438 | ||||||
Same first word
sefirst.com |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns0.phase8.net2026-02-18 → 2026-06-13 · 3 obs
● 2026-02-18 15:19:30
● 2026-06-13 18:33:44
○NSns1.domain-is-4-sale-at-domainmarket.com2015-05-31 → 2018-07-13 · 4 obs
● 2018-07-13 16:57:26
○ 2026-02-18 15:19:30
○ 2026-06-13 18:33:44
●NSns1.phase8.net2026-02-18 → 2026-06-13 · 3 obs
● 2026-02-18 15:19:30
● 2026-06-13 18:33:44
○NSns2.domainmarket.com2015-05-31 → 2018-07-13 · 4 obs
● 2018-07-13 16:57:26
○ 2026-02-18 15:19:30
○ 2026-06-13 18:33:44
●NSns2.phase8.net2026-02-18 → 2026-06-13 · 3 obs
● 2026-02-18 15:19:30
● 2026-06-13 18:33:44
●MXeu-smtp-inbound-1.mimecast.com2026-02-18 → 2026-06-13 · 2 obs
● 2026-06-13 18:33:44
●MXeu-smtp-inbound-2.mimecast.com2026-02-18 → 2026-06-13 · 2 obs
● 2026-06-13 18:33:44
●A141.193.213.102026-02-18 → 2026-06-13 · 3 obs
● 2026-02-18 15:19:30
● 2026-06-13 18:33:44
○A173.239.23.2282017-01-13 → 2018-07-13 · 5 obs
● 2017-01-13 09:56:18
● 2018-07-13 16:57:26
○ 2026-02-18 15:19:30
○ 2026-06-13 18:33:44
○A174.137.132.1002015-05-31 → 2016-05-04 · 4 obs
● 2016-05-04 04:11:38
○ 2017-01-13 09:56:18
○ 2026-06-13 18:33:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sefirst.com | ns0.phase8.net, ns1.phase8.net, ns2.phase8.net | - |
✅ Authoritative Response
Server:91.186.2.48
NS records: ns0.phase8.net, ns1.phase8.net, ns2.phase8.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sefirst.com (unsigned zone)
⏱️ Timing
Total: 648ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 141.193.213.10 |
| NS | 3 | ns0.phase8.net, ns1.phase8.net... |
| MX | 2 | eu-smtp-inbound-2.mimecast.com (pri: 20), eu-smtp-inbound-1.mimecast.com (pri: 10) |
| TXT | 13 | google-site-verification=p8TKjO6kd0S7k_3, apple-domain-verification=3ckoDNZjCGPj6c... |
| SOA | 1 | ns0.phase8.net support.phase8.net |
Analysis
IP Addresses
sefirst.com resolves to just one IP address, 141.193.213.10.
Two other host names, along with callantansey.ie, kenodinet.com and hbsrecruitmentservices.ie, also share IP numbers with sefirst.com.
Name Servers
Three name servers are authoritative for sefirst.com: ns0.phase8.net, ns1.phase8.net and ns2.phase8.net.
There is at least partial name server overlap between sefirst.com and other domains — goconnect.org.uk, klarman.me, buzzworks.org.uk and two more among them.
Three hostnames, one IP address apiece: ns0.phase8.net resolves to 81.88.63.114, ns1.phase8.net resolves to 85.233.160.68 and ns2.phase8.net resolves to 91.186.2.48.
Mail Servers
sefirst.com is served by two mail servers, eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.
Among the domains sharing a mail server setup with sefirst.com are thompsons.law.co.uk, terntv.com, gpss-shipping.co.uk and two others.
There is at least a partial MX overlap between sefirst.com and other domains, including keesafety.de, casahotels.co.uk, laser-eng.com and two others.
DNS names with 6 IP addresses:
eu-smtp-inbound-1.mimecast.com carries IP addresses 91.220.42.201, 91.220.42.211 and 91.220.42.241, with 3 other addresses beyond those.
eu-smtp-inbound-2.mimecast.com carries IP addresses 91.220.42.201, 91.220.42.211 and 91.220.42.241, with 3 other addresses beyond those.
These two host names — eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com — each point to 91.220.42.201 IP addresses.
These two host names — eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com — each point to 91.220.42.211 IP addresses.
These two host names — eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com — each point to 91.220.42.241 IP addresses.
These two host names — eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com — each point to 195.130.217.201 IP addresses.
These two host names — eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com — each point to 195.130.217.211 IP addresses.
These two host names — eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com — each point to 195.130.217.241 IP addresses.