firstgrade.dk - robtex.com
firstgrade.dk
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1774372861localtime Tue Mar 24 18:21:01 2026gmtime Tue Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1774372861 | ||||||
Same first word
firstgrade.de |
firstgrade.co.uk |
firstgrade.dk |
firstgrade.sch.ng |
firstgrade.us |
firstgrade.net |
firstgrade.com.au |
firstgrade.org |
firstgrade.com.sg |
firstgrade.ru |
Similar names
driftgaser.pro |
fridgearts.com |
gradefirst.biz |
gradefirst.com |
gradefirst.net |
gradefirst.info |
gradefirst.org |
fridgestar.com |
DNS History
11 records (11 active, 0 former)
●MXalt1.aspmx.l.google.com2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●MXalt2.aspmx.l.google.com2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●MXalt3.aspmx.l.google.com2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●MXalt4.aspmx.l.google.com2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●MXaspmx.l.google.com2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●MXmx1.postal.yuu.dk2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●MXmx2.postal.yuu.dk2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●MXsmtp.google.com2026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
●A23.227.38.362026-03-16 → 2026-03-24 · 2 obs
● 2026-03-24 17:42:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | c.nic.dk, h.nic.dk, l.nic.dk, s.nic.dk... | 12 records |
| firstgrade.dk | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:185.10.11.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2102ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.36 |
| NS | 2 | ns01.one.com, ns02.one.com |
| MX | 8 | alt4.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)... |
| TXT | 6 | v=spf1 a mx include:spf.mailjet.com incl, shopify-verification-code=gDX9tGNZSOINQD... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (t.nic.dk, s.nic.dk, l.nic.dk...)
Analysis
IP Addresses
firstgrade.dk resolves to a single IP: 23.227.38.36.
Other host names, for instance finallapjax.com, anfiza.com, tapintothelight.com, reha-sleep.de and fashionedforu.com share IP numbers with firstgrade.dk.
Name Servers
firstgrade.dk has two name servers: ns01.one.com and ns02.one.com.
firstgrade.dk shares the same name server setup as other domains, for example ferroteknik.dk, bmst.be, socialfoodies.dk, glasmads.dk and the-elements.ch.
Host names with two IP numbers:
ns01.one.com points to: 2001:67c:28cc::10 and 195.206.121.10; ns02.one.com points to: 2001:67c:3c0::10 and 185.10.11.10.
Mail Servers
firstgrade.dk is handled by eight mail servers: smtp.google.com, aspmx.l.google.com, mx1.postal.yuu.dk, mx2.postal.yuu.dk, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
firstgrade.dk shares some mail servers with other domains, at least partially; for instance rmscg.net, buildmor.com, osteomed.com.my, ns500765.ns500693.ns500734.ns500693.ns500734.ns500693.ns500734.ns500699.ns500693.ns500588.ns500588.ns500683.ns500699.ns500588.ns500693.ns500112.dtrkdll.com and ns500758.ns500758.ns500759.ns500758.ns500698.ns500698.ns500698.ns500735.ns500736.ns500698.ns500698.ns500576.ns500652.ns500576.ns500619.tracksymphony.com.
these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with nine IP numbers
The host name smtp.google.com points to: 2607:f8b0:4004:c17::1b, 2607:f8b0:4004:c1b::1a, 2607:f8b0:4004:c1b::1b, 2607:f8b0:4004:c1d::1b, 142.251.16.27, 142.251.163.26, 142.251.163.27, 142.251.167.26 and 142.251.167.27.
Host names with two IP numbers
The host name aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 108.177.15.26.
The host name alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27.
The host name alt2.aspmx.l.google.com points to: 2a00:1450:4001:c21::1a and 192.178.213.26.
The host name alt3.aspmx.l.google.com points to: 2a00:1450:4025:c01::1b and 142.251.127.26.
The host name alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1b and 142.251.96.26.