b2b4-check.com - robtex.com

b2b4-check.com

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::2cb🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-02cb.elastic-ssl.ui-r.com
A217.160.0.132🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1026.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:531a:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1026.ui-dns.org
A217.160.83.26🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1026.ui-dns.org
NSns1054.ui-dns.de
A2607:f1c0:fe:53:185:132:32:54🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1054.ui-dns.de
A217.160.80.54🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1054.ui-dns.de
NSns1063.ui-dns.com
A2001:8d8:fe:53:0:d9a0:523f:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1063.ui-dns.com
A217.160.82.63🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1063.ui-dns.com
NSns1108.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:516c:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1108.ui-dns.biz
A217.160.81.108🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1108.ui-dns.biz
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f27.1e100.net
A142.251.96.26🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f26.1e100.net
TXTgoogle-site-verification=VKmqU4gTpHcawAa4iS8dOqjZ7t_QVOEBldk6kLG-88c
SOAns1026.ui-dns.orghostmaster@1und1.com 2017-06-01 #27

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774613327

Same first word

b2b4-check.com

DNS History

19 records (11 active, 8 former)

2020202120222023202420252026NSns1026.ui-dns.orgns1054.ui-dns.dens1063.ui-dns.comns1108.ui-dns.bizns1024.ui-dns.dens1036.ui-dns.orgns1038.ui-dns.bizns1126.ui-dns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx00.ionos.demx01.ionos.deA2001:8d8:100f:f000::2cb217.160.0.1322001:8d8:100f:f000::260217.160.0.143
○NSns1024.ui-dns.de2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36
●NSns1026.ui-dns.org2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
○NSns1036.ui-dns.org2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36
○NSns1038.ui-dns.biz2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36
●NSns1054.ui-dns.de2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
●NSns1063.ui-dns.com2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
●NSns1108.ui-dns.biz2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
○NSns1126.ui-dns.com2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36
●MXalt1.aspmx.l.google.com2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
●MXalt2.aspmx.l.google.com2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
●MXalt3.aspmx.l.google.com2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
●MXalt4.aspmx.l.google.com2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
●MXaspmx.l.google.com2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
○MXmx00.ionos.de2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36
○MXmx01.ionos.de2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36
○A2001:8d8:100f:f000::2602019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36
●A2001:8d8:100f:f000::2cb2026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
●A217.160.0.1322026-03-25 → 2026-03-27 · 3 obs
○ 2019-04-12 00:38:06
● 2026-03-25 06:06:28
● 2026-03-27 12:24:36
○A217.160.0.1432019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 00:38:06
○ 2026-03-25 06:06:28
○ 2026-03-27 12:24:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...-
b2b4-check.comns1026.ui-dns.org, ns1054.ui-dns.de, ns1108.ui-dns.biz, ns1063.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.82.63

NS records: ns1026.ui-dns.org, ns1054.ui-dns.de, ns1108.ui-dns.biz, ns1063.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2b4-check.com (unsigned zone)

⏱️ Timing

Total: 1650ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.132
AAAA12001:8d8:100f:f000::2cb
NS4ns1026.ui-dns.org, ns1108.ui-dns.biz...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT1google-site-verification=VKmqU4gTpHcawAa
SOA1ns1026.ui-dns.org hostmaster.1und1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1063.ui-dns.com, ns1063.ui-dns.com)

Analysis

IP Addresses

b2b4-check.com resolves to two IP numbers: 2001:8d8:100f:f000::2cb and 217.160.0.132.

Other host names, for instance www.b-oe.de, sam-makler.info, nathpossy.com, you-too.com and steuerberater-woitke.de share IP numbers with b2b4-check.com.

Name Servers

b2b4-check.com's delegation is handled by four name servers: ns1108.ui-dns.biz, ns1063.ui-dns.com, ns1054.ui-dns.de and ns1026.ui-dns.org.

b2b4-check.com partially shares name servers with other domains; examples include redbrickroadfarm.com, cdyna.com, lcwg.de, sc-io.de and ebaes.es.

These name servers are commonly used alongside ns1108.ui-dns.de, ns1108.ui-dns.com, ns1108.ui-dns.org, ns1026.ui-dns.com, ns1026.ui-dns.biz, ns1026.ui-dns.de, ns1054.ui-dns.biz, ns1054.ui-dns.com, ns1054.ui-dns.org and ns1063.ui-dns.de.

Host names with two IPs:

ns1108.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:516c:100 and 217.160.81.108

ns1063.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:523f:100 and 217.160.82.63

ns1054.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:54 and 217.160.80.54

ns1026.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:531a:100 and 217.160.83.26

Mail Servers

Five mail servers handle b2b4-check.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

b2b4-check.com shares some mail servers with other domains, at least partially, such as islandbayresort.com, ns500754.ns500731.ns500731.ns500742.ns500754.ns500742.ns500742.ns500742.ns500688.ns500671.ns500649.ns500671.ns500666.ns500131.lustychickser.com, ns500768.ns500698.ns500698.ns500759.ns500698.ns500698.ns500735.ns500736.ns500576.ns500576.ns500698.ns500619.ns500686.ns500619.ns500619.trackreceptor.com, ns500742.ns500742.ns500742.ns500671.ns500754.ns500742.ns500649.ns500649.ns500688.ns500671.ns500649.lustychickser.com and ns500671.ns500742.ns500742.ns500671.ns500671.ns500731.ns500754.ns500731.ns500704.ns500705.ns500704.ns500666.lustychickser.com.

These mail servers are often used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4023:c03::1a and 142.250.101.27

alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1a and 108.177.123.26

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.26

alt3.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1a and 172.253.145.27

alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1b and 142.251.96.26