mailcode.de - dns.ninja

`mailcode.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::25d^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-025d.elastic-ssl.ui-r.com`
A	217.160.0.234^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1105.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5269:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.com`
		A	217.160.82.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.com`
NS	`ns1105.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5169:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.biz`
		A	217.160.81.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.biz`
NS	`ns1105.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:105^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1105.ui-dns.de`
		A	185.132.32.105^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1105.ui-dns.de`
		A	217.160.80.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.de`
NS	`ns1105.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5369:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.org`
		A	217.160.83.105^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1105.ui-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1105.ui-dns.com`hostmaster@1und1.de 2016-06-19 #10

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1782500979

Same first word

mailcode.org

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DNS History

14 records (8 active, 6 former)

●NSns1105.ui-dns.biz2026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

●NSns1105.ui-dns.com2026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

●NSns1105.ui-dns.de2026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

●NSns1105.ui-dns.org2026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

○NSns65.1und1.de2015-08-22 → 2017-04-01 · 4 obs

● 2015-08-22 00:37:08
● 2017-04-01 01:15:18
○ 2026-03-12 10:30:14
○ 2026-06-26 19:38:10

○NSns66.1und1.de2015-08-22 → 2017-04-01 · 4 obs

● 2015-08-22 00:37:08
● 2017-04-01 01:15:18
○ 2026-03-12 10:30:14
○ 2026-06-26 19:38:10

●MXmx00.ionos.de2026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

○MXmx00.kundenserver.de2015-08-22 → 2017-04-01 · 4 obs

● 2015-08-22 00:37:08
● 2017-04-01 01:15:18
○ 2026-03-12 10:30:14
○ 2026-06-26 19:38:10

●MXmx01.ionos.de2026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

○MXmx01.kundenserver.de2015-08-22 → 2017-04-01 · 4 obs

● 2015-08-22 00:37:08
● 2017-04-01 01:15:18
○ 2026-03-12 10:30:14
○ 2026-06-26 19:38:10

●A2001:8d8:100f:f000::25d2026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

●A217.160.0.2342026-03-12 → 2026-06-26 · 3 obs

○ 2017-04-01 01:15:18
● 2026-03-12 10:30:14
● 2026-06-26 19:38:10

○A217.160.233.1932016-08-14 → 2017-04-01 · 5 obs

○ 2016-03-23 14:56:48
● 2016-08-14 16:24:50
● 2017-04-01 01:15:18
○ 2026-03-12 10:30:14
○ 2026-06-26 19:38:10

○A87.106.152.1362015-08-22 → 2016-03-23 · 4 obs

● 2015-08-22 00:37:08
● 2016-03-23 14:56:48
○ 2016-08-14 16:24:50
○ 2026-06-26 19:38:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
mailcode.de	ns1105.ui-dns.org, ns1105.ui-dns.com, ns1105.ui-dns.de, ns1105.ui-dns.biz	-

✅ Authoritative Response

Server:217.160.81.105

NS records: ns1105.ui-dns.org, ns1105.ui-dns.com, ns1105.ui-dns.de, ns1105.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailcode.de (unsigned zone)

⏱️ Timing

Total: 1506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.234`
AAAA	1	`2001:8d8:100f:f000::25d`
NS	4	`ns1105.ui-dns.biz, ns1105.ui-dns.com...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1105.ui-dns.com hostmaster.1und1.de`

Analysis

IP Addresses

mailcode.de directs to two IP numbers, 217.160.0.234 and 2001:8d8:100f:f000::25d

artis(0x616e616c)bread.com, mobile-planet.de, mumsoldvinyl.com plus two other host names have IP numbers in common with mailcode.de.

Name Servers

Four name servers handle the delegation for mailcode.de: ns1105.ui-dns.biz, ns1105.ui-dns.com, ns1105.ui-dns.de and ns1105.ui-dns.org.

mailcode.de has at least partial name server overlap with other domains, such as ham-audio.de, k-dh.info, ohlberger.com and two others.

These name servers tend to appear together with the name servers ns1028.ui-dns.biz, ns1033.ui-dns.com and ns1101.ui-dns.de.

Host names carrying three IP numbers:

ns1105.ui-dns.de resolves to three addresses: 185.132.32.105, 217.160.80.105 and 2607:f1c0:fe:53:185:132:32:105.

Host names pointing to two IP addresses:

ns1105.ui-dns.biz maps to two IP addresses — 217.160.81.105 and 2001:8d8:fe:53:0:d9a0:5169:100.

ns1105.ui-dns.com maps to two IP addresses — 217.160.82.105 and 2001:8d8:fe:53:0:d9a0:5269:100.

ns1105.ui-dns.org maps to two IP addresses — 217.160.83.105 and 2001:8d8:fe:53:0:d9a0:5369:100.

Mail Servers

mailcode.de uses two mail servers, mx00.ionos.de and mx01.ionos.de.

The mail server setup of mailcode.de matches that of other domains such as vab-verlag.de, uni-corn.de, heikehesse.de and two others.

mx00.ionos.de directs to 212.227.15.41 and mx01.ionos.de directs to 217.72.192.67; each host name points to exactly one IP number.