staehr-aalborg.dk

📜 Historical scan 2026-10-01 08:44:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

staehr-aalborg.dk is a .dk domain served by 2 nameservers (bryce.ns.cloudflare.com, venus.ns.cloudflare.com). It was registered on 23 April 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.11 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   42ms
NameserverIP addressesPTRASN / ISP
bryce.ns.cloudflare.com 108.162.195.137
162.159.44.137
172.64.35.137
2606:4700:58::a29f:2c89
2803:f800:50::6ca2:c389
2a06:98c1:50::ac40:2389		 bryce.ns.cloudflare.com
bryce.ns.cloudflare.com
bryce.ns.cloudflare.com
bryce.ns.cloudflare.com
bryce.ns.cloudflare.com
bryce.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
venus.ns.cloudflare.com 108.162.192.235
172.64.32.235
173.245.58.235
2606:4700:50::adf5:3aeb
2803:f800:50::6ca2:c0eb
2a06:98c1:50::ac40:20eb		 venus.ns.cloudflare.com
venus.ns.cloudflare.com
venus.ns.cloudflare.com
venus.ns.cloudflare.com
venus.ns.cloudflare.com
venus.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.55.11 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.143.233 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.55.11
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   40ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:370b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:8fe9 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.55.11,172.67.143.233 ech=AEX+DQBBIQAgACDepu5XFhjNsTaJykFP5aC6eLhW+KKUXtgKGuWt2c26QgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:370b,2606:4700:3033::ac43:8fe9

🔌 SRV Records#

1 records   81ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   199ms
TXT Record
brevo-code:de9519009ea75c3093b5f6669da33a78
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (staehr-aalborg.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.staehr-aalborg.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:ytulrsf3@ag.eu.dmarcian.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 12:10:55
www104.21.55.11 172.67.143.233 2606:4700:3030::6815:370b 2606:4700:3033::ac43:8fe9 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records   56ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

9055ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

39ms
FieldValue
Serial2415854002
Primary NS (MNAME)bryce.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 22:58:16
FieldValue
RegistrarSimply.com A/S
Registered2008-04-23
Expires2027-04-30 (191d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
42ms
A
41ms
MX
43ms
AAAA
40ms
TXT
199ms
CAA
43ms
HTTPS
39ms
TLSA
56ms
SOA
39ms
MTA-STS
66ms
DNSSEC
9055ms
SRV
81ms
Total
9326ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 12:10:55 571ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 02:09:26 460ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 08:44:14 shown 9326ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 22:45:34 726ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 22:17:48 718ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-20 14:56:47 485ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-11 02:57:08 497ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-03 09:55:50 533ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-26 08:24:04 868ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-21 11:54:34 406ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-18 17:04:42 611ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 14:46:29 1059ms 4 NS 1 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone