14
records
IPv4 Addresses
TTL
5m
5m
lists.posteo.de. 300 IN A 185.67.36.168 lists.posteo.de. 300 IN A 185.67.36.169
IPv6 Addresses
TTL
5m
5m
lists.posteo.de. 300 IN AAAA 2A05:BC0:1000:0:0:0:168:1 lists.posteo.de. 300 IN AAAA 2A05:BC0:1000:0:0:0:169:1
Mail Servers
TTL
MX
—
10
5m
MX
—
10
5m
MX
—
10
5m
MX
—
10
5m
lists.posteo.de. 300 IN MX 10 mx01.posteo.de. lists.posteo.de. 300 IN MX 10 mx02.posteo.de. lists.posteo.de. 300 IN MX 10 mx03.posteo.de. lists.posteo.de. 300 IN MX 10 mx04.posteo.de.
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
lists.posteo.de. 300 IN DMARC v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| Modifier | redirect |
|
20m
lists.posteo.de. 1200 IN TXT "v=spf1 redirect=posteo.de"
DNSSEC Signatures
TTL
RRSIG
A 8 3 300 1778716800 1776902400 23244 posteo.de ZzjQWIZgOyMAIc+zydCcc/yGxc0PmxSdT5Ryp/7MohmLdFN9ZcWVxQD8b1S9Y80kiPzYIq5evQn/cLp1zRUeLUSn5BVBofwLHj5zWy1DS+JUXCOXrtZL6DcRcDAaYIjd5bnt5Bb56+VlbRS/4ulFySsF4eYfBvrriWBXnTmIbPEeq2ZhgHjZKYRdcRtwGIjfKJJT6RVu+MDC/ieyPjWkRMbepGpMcueDPmdxI6SAydNdxP5/rAXAsoFE+SCO4qsBKVi5wltK9ElZLexU1Zv9SvInL/cTPaGRiIg7WrRuridJQx99Vshcy8Prp1amWzg0h84Akgezwmukur1Mf9jqdQ==
5m
RRSIG
MX 8 3 300 1778716800 1776902400 23244 posteo.de vD+NFYaiRBQfSXLEit8MyoYQkEom0zd5IW735P9Ars4h59Y+cU0L2nVBtqbLj/JpBre/o0kwIDk3l2xEuREsbCGUNHy65Wr61YJpO7Q8aR2B/zAjCXdE2GgrxFypbbvyxqG8iYdpg0JyBi7XdXComHv+QdWYvgNYEM23c5+MzJ7YndyleWSe3UMfIH83l0knSLBOLBQ9WtLObPE4XUixNqGhNUcmp7uTVEXKP99d8eqzy0ctiCODVgOBiV9iiw7zMhRUyEg2ZgJP489+F3MiaaEDwvJEEsYcQ0Dn4Jr6w9V0ZFYmJkIlDDFkK5Z//lzdSVTezXZg8krPTh9lgZf3lA==
5m
RRSIG
TXT 8 3 3600 1778716800 1776902400 23244 posteo.de TPz7s3iVHlRBJxNMdk02cz1UsLde+cqWmdHME49MIrfKEubIeGRidKkYrTR5LXZOtQWqRa7blg/1ZW+kPTGbMI6Yigz5Pthqq6p8vkFx5OlaBdv9nZVbIMXLLNr8RbO01Oh9f2cfYioHEsXhaxoER8dmjpTKOS0HtCGp+ayLf3bQ52zQstn4ban2bDpIYhkQGooMyvGFShmM5ZCXHTv7rStQJBlONR0E913pSQ6eFUf5mUsD48Me/d0Sy/7+oCUc/IefISh3OZiUtiyxO6viZTmMXPgF0c9B9KaaouFqmKY76jmtcc42441Qm7v6xo4USi1WMYN2TuDs+TVgCdP0TQ==
20m
RRSIG
AAAA 8 3 300 1778716800 1776902400 23244 posteo.de Yxfz2YdjpsyR56uqNlG36SWoJpFUYcsq6Q2y6jM1AQpQGJhcsPwuSygMx+j6jhFjmOIksKiagI38DYEnIVI8d4ivbELCmxtCmGDaa7vxlh4zpkrGjL8jUbAJDB4rR7dZuNfXWtYrJspmdBY1UHuzTfnPI0KbFznoFCSkTWnxec9Sz4SAbPj8vwkkD9r0PIts/ppH/i1kVCZCUCAQsFFiDFjfaeUlqvj0u5PF3M4xUxW5rfbY2O6d4FYVOu01/heEs6nqc+W6UjuQg8V58UNAv9OzTYoHGxPy6VRei8mmfrirjKmGQkT1O/DNMPMmMItLuPn6PQv0AUmVDPoLH2tFiQ==
5m
lists.posteo.de. 300 IN RRSIG A 8 3 300 1778716800 1776902400 23244 posteo.de ZzjQWIZgOyMAIc+zydCcc/yGxc0PmxSdT5Ryp/7MohmLdFN9ZcWVxQD8b1S9Y80kiPzYIq5evQn/cLp1zRUeLUSn5BVBofwLHj5zWy1DS+JUXCOXrtZL6DcRcDAaYIjd5bnt5Bb56+VlbRS/4ulFySsF4eYfBvrriWBXnTmIbPEeq2ZhgHjZKYRdcRtwGIjfKJJT6RVu+MDC/ieyPjWkRMbepGpMcueDPmdxI6SAydNdxP5/rAXAsoFE+SCO4qsBKVi5wltK9ElZLexU1Zv9SvInL/cTPaGRiIg7WrRuridJQx99Vshcy8Prp1amWzg0h84Akgezwmukur1Mf9jqdQ== lists.posteo.de. 300 IN RRSIG MX 8 3 300 1778716800 1776902400 23244 posteo.de vD+NFYaiRBQfSXLEit8MyoYQkEom0zd5IW735P9Ars4h59Y+cU0L2nVBtqbLj/JpBre/o0kwIDk3l2xEuREsbCGUNHy65Wr61YJpO7Q8aR2B/zAjCXdE2GgrxFypbbvyxqG8iYdpg0JyBi7XdXComHv+QdWYvgNYEM23c5+MzJ7YndyleWSe3UMfIH83l0knSLBOLBQ9WtLObPE4XUixNqGhNUcmp7uTVEXKP99d8eqzy0ctiCODVgOBiV9iiw7zMhRUyEg2ZgJP489+F3MiaaEDwvJEEsYcQ0Dn4Jr6w9V0ZFYmJkIlDDFkK5Z//lzdSVTezXZg8krPTh9lgZf3lA== lists.posteo.de. 1200 IN RRSIG TXT 8 3 3600 1778716800 1776902400 23244 posteo.de TPz7s3iVHlRBJxNMdk02cz1UsLde+cqWmdHME49MIrfKEubIeGRidKkYrTR5LXZOtQWqRa7blg/1ZW+kPTGbMI6Yigz5Pthqq6p8vkFx5OlaBdv9nZVbIMXLLNr8RbO01Oh9f2cfYioHEsXhaxoER8dmjpTKOS0HtCGp+ayLf3bQ52zQstn4ban2bDpIYhkQGooMyvGFShmM5ZCXHTv7rStQJBlONR0E913pSQ6eFUf5mUsD48Me/d0Sy/7+oCUc/IefISh3OZiUtiyxO6viZTmMXPgF0c9B9KaaouFqmKY76jmtcc42441Qm7v6xo4USi1WMYN2TuDs+TVgCdP0TQ== lists.posteo.de. 300 IN RRSIG AAAA 8 3 300 1778716800 1776902400 23244 posteo.de Yxfz2YdjpsyR56uqNlG36SWoJpFUYcsq6Q2y6jM1AQpQGJhcsPwuSygMx+j6jhFjmOIksKiagI38DYEnIVI8d4ivbELCmxtCmGDaa7vxlh4zpkrGjL8jUbAJDB4rR7dZuNfXWtYrJspmdBY1UHuzTfnPI0KbFznoFCSkTWnxec9Sz4SAbPj8vwkkD9r0PIts/ppH/i1kVCZCUCAQsFFiDFjfaeUlqvj0u5PF3M4xUxW5rfbY2O6d4FYVOu01/heEs6nqc+W6UjuQg8V58UNAv9OzTYoHGxPy6VRei8mmfrirjKmGQkT1O/DNMPMmMItLuPn6PQv0AUmVDPoLH2tFiQ==