rtb.nu - robtex.com
rtb.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 152.115.36.100🇩🇰 GlobalConnect-AS31027152.115.32.0/19 | ||||||
| PTR | s3.zenep.eu | ||||||
| NS | ns1.swinx.se ⭐ | ||||||
| A | 158.174.161.210🇸🇪 BAHNHOF158.174.0.0/16 Bahnhof Internet, Sweden | ||||||
| PTR | h-158-174-161-210.na.cust.bahnhof.se | ||||||
| NS | ns2.swinx.se | ||||||
| A | 158.174.161.211🇸🇪 BAHNHOF158.174.0.0/16 Bahnhof Internet, Sweden | ||||||
| PTR | h-158-174-161-211.na.cust.bahnhof.se | ||||||
| MX | rtb-nu.mx1.staysecuregroup.com ⭐ | ||||||
| A | 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix | ||||||
| PTR | mx11.electric.net | ||||||
| A | 192.162.219.155🇮🇪 Amazon192.162.219.0/24 EC2 Prefix | ||||||
| PTR | mx41.electric.net | ||||||
| MX | rtb-nu.mx2.staysecuregroup.net(20) | ||||||
| A | 2a01:77c0:1619:4101:d99:c22:fb4d:290e🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix | ||||||
| PTR | mx10.electric.net | ||||||
| A | 192.162.219.49🇮🇪 Amazon192.162.219.0/24 EC2 Prefix | ||||||
| PTR | mx41.electric.net | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| TXT | MS=ms70298634 | ||||||
| SOA | ns1.swinx.seregistry@trendator.se 2026-08-14 #1 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:aaace96c-8f7f-43bd-9917-15e4a734cb18 | ||||||
| TXT | NU zone update: 2026-08-22 09:25:49 +0000 (EPOCH 1787390749) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1787390804 | ||||||
Same first word
Similar names
Previous names
rsmf.nu |
rsn.nu |
rso.nu |
rsoft.nu |
rsp.nu |
rsr-bo.nu |
rsr.nu |
rss.nu |
rssolutions.nu |
rst.nu |
rsu.nu |
rsvirus.nu |
rsvirusstudie.nu |
rsvp.nu |
rsvr.nu |
rsw.nu |
rt.nu |
rt1-nordschwaben.nu |
rtab.nu |
Next names
rten.nu |
rtf.nu |
rtfs.nu |
rtg.nu |
rtholf.nu |
rti.nu |
rtin.nu |
rtk.nu |
rtl.nu |
rtm.nu |
rtog.nu |
rtr.nu |
rts.nu |
rtt.nu |
rtv.nu |
rtvd.nu |
rty.nu |
ru.nu |
ruban.nu |
rubato.nu |
DNS History
10 records (5 active, 5 former)
●NSns1.swinx.se2026-08-19 → 2026-08-22 · 3 obs
● 2026-08-19 02:27:56
● 2026-08-22 09:50:16
○NSns1.trendator.se2015-08-06 → 2020-04-03 · 4 obs
● 2020-04-03 04:58:10
○ 2026-08-19 02:27:56
○ 2026-08-22 09:50:16
●NSns2.swinx.se2026-08-19 → 2026-08-22 · 3 obs
● 2026-08-19 02:27:56
● 2026-08-22 09:50:16
○NSns2.trendator.se2015-08-06 → 2020-04-03 · 4 obs
● 2020-04-03 04:58:10
○ 2026-08-19 02:27:56
○ 2026-08-22 09:50:16
●MXrtb-nu.mx1.staysecuregroup.com2015-11-26 → 2026-08-22 · 3 obs
● 2015-11-26 22:06:24
● 2026-08-22 09:50:16
●MXrtb-nu.mx2.staysecuregroup.net2015-11-26 → 2026-08-22 · 3 obs
● 2015-11-26 22:06:24
● 2026-08-22 09:50:16
○MXsmtp-in.sto-hy.se.stejtech.net2015-08-06 → 2015-08-06 · 3 obs
○ 2015-11-26 22:06:24
○ 2026-08-22 09:50:16
○MXsmtp-in.sto-ste.se.stejtech.net2015-08-06 → 2015-08-06 · 3 obs
○ 2015-11-26 22:06:24
○ 2026-08-22 09:50:16
●A152.115.36.1002026-08-19 → 2026-08-22 · 3 obs
● 2026-08-19 02:27:56
● 2026-08-22 09:50:16
○A91.189.45.1752015-08-06 → 2020-04-03 · 4 obs
● 2020-04-03 04:58:10
○ 2026-08-19 02:27:56
○ 2026-08-22 09:50:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu... | 12 records |
| rtb.nu | ns1.swinx.se, ns2.swinx.se | - |
✅ Authoritative Response
Server:158.174.161.211
NS records: ns1.swinx.se, ns2.swinx.se
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtb.nu (unsigned zone)
⏱️ Timing
Total: 1320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 152.115.36.100 |
| NS | 2 | ns1.swinx.se, ns2.swinx.se |
| MX | 2 | rtb-nu.mx1.staysecuregroup.com (pri: 10), rtb-nu.mx2.staysecuregroup.net (pri: 20) |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms70298634 |
| SOA | 1 | ns1.swinx.se registry.trendator.se |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)
Analysis
IP Addresses
rtb.nu directs to one IP number, which is 152.115.36.100.
Among the host names that share IP numbers with rtb.nu are augustp.se, krom.nu, sdr.org and two others.
Name Servers
rtb.nu is served by two delegated name servers, ns1.swinx.se and ns2.swinx.se.
rtb.nu has the same name server delegation as a number of other domains, such as palm.pp.se, martensson.pp.se, dalbyfrukt.se and two more.
ns1.swinx.se resolves to 158.174.161.210. ns2.swinx.se resolves to 158.174.161.211. Both host names point to a single IP number.
Mail Servers
The MX records for rtb.nu point to two mail servers: rtb-nu.mx1.staysecuregroup.com and rtb-nu.mx2.staysecuregroup.net.
Each of the two host names carries two IP addresses: rtb-nu.mx1.staysecuregroup.com points to 192.162.219.155 and 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd, and rtb-nu.mx2.staysecuregroup.net points to 192.162.219.49 and 2a01:77c0:1619:4101:d99:c22:fb4d:290e.